| 1 (3) | Harvard University * | USA |  |
| 2 (4) | Harvard Medical School | USA |  |
| 3 (5) | Veterans Affairs Medical Centers * | USA |  |
| 4 (6) | University of Toronto | CAN |  |
| 5 (10) | Brigham and Women's Hospital * | USA |  |
| 6 (11) | Johns Hopkins University * | USA |  |
| 7 (13) | University of Washington * | USA |  |
| 8 (15) | University of California, San Francisco * | USA |  |
| 9 (16) | University of Pittsburgh * | USA |  |
| 10 (18) | University of Pennsylvania * | USA |  |
| 11 (19) | Mayo Clinic * | USA |  |
| 12 (20) | University of Michigan, Ann Arbor * | USA |  |
| 13 (22) | University of Colorado, Denver * | USA |  |
| 14 (23) | Johns Hopkins Medicine | USA |  |
| 15 (24) | Vanderbilt University * | USA |  |
| 16 (25) | St Michaels Hospital Toronto | CAN |  |
| 17 (26) | Massachusetts General Hospital | USA |  |
| 18 (29) | Stanford University * | USA |  |
| 19 (30) | University of Pennsylvania Health System | USA |  |
| 20 (32) | University of Colorado, Anschutz Medical Campus | USA |  |
| 21 (33) | U.S. Department of Health & Human Services * | USA |  |
| 22 (34) | National Institutes of Health | USA |  |
| 23 (37) | Vanderbilt University Medical Center | USA |  |
| 24 (38) | University of Pittsburgh Health Sciences | USA |  |
| 25 (42) | Cleveland Clinic * | USA |  |
| 26 (45) | Columbia University * | USA |  |
| 27 (46) | Duke University * | USA |  |
| 28 (47) | Cornell University * | USA |  |
| 29 (50) | Weill Cornell Medicine | USA |  |
| 30 (51) | Stanford Medicine | USA |  |
| 31 (52) | Columbia University Irving Medical Center | USA |  |
| 32 (62) | University of North Carolina, Chapel Hill * | USA |  |
| 33 (64) | Northwestern University, Evanston * | USA |  |
| 34 (66) | Washington University in Saint Louis * | USA |  |
| 35 (67) | McMaster University * | CAN |  |
| 36 (69) | Emory University * | USA |  |
| 37 (72) | University of California, Los Angeles * | USA |  |
| 38 (75) | National Jewish Health | USA |  |
| 39 (77) | University Health Network * | CAN |  |
| 40 (80) | University of Chicago * | USA |  |
| 41 (84) | Duke Medicine | USA |  |
| 42 (85) | Yale University * | USA |  |
| 43 (86) | Baylor College of Medicine | USA |  |
| 44 (91) | University of Alabama, Birmingham * | USA |  |
| 45 (92) | University of Minnesota, Twin Cities * | USA |  |
| 46 (96) | Children's Hospital of Philadelphia | USA |  |
| 47 (98) | Beth Israel Deaconess Medical Center | USA |  |
| 48 (100) | New York University * | USA |  |
| 49 (103) | University of California, Irvine * | USA |  |
| 50 (105) | Woodruff Health Sciences Center | USA |  |
| 51 (106) | Boston University * | USA |  |
| 52 (107) | Ohio State University, Columbus * | USA |  |
| 53 (108) | University of Pittsburgh Medical Center * | USA |  |
| 54 (109) | NYU Langone Health | USA |  |
| 55 (110) | CareGroup Healthcare System * | USA |  |
| 56 (111) | Brown University | USA |  |
| 57 (113) | University of Michigan Health System | USA |  |
| 58 (115) | Washington University Medical Center | USA |  |
| 59 (120) | Yale University Health & Medicine | USA |  |
| 60 (127) | National Institute of Health Clinical Center | USA |  |
| 61 (128) | Boston University Medical Campus | USA |  |
| 62 (129) | University of Utah * | USA |  |
| 63 (130) | University of Maryland, Baltimore | USA |  |
| 64 (135) | Children's Hospital Boston * | USA |  |
| 65 (136) | The University of British Columbia | CAN |  |
| 66 (138) | University of California, San Diego * | USA |  |
| 67 (141) | University of Florida * | USA |  |
| 68 (142) | Pennsylvania State University * | USA |  |
| 69 (144) | Cincinnati Children's Hospital Medical Center | USA |  |
| 70 (145) | New York Presbyterian Hospital | USA |  |
| 71 (148) | Mount Sinai Health System * | USA |  |
| 72 (149) | University of Alberta | CAN |  |
| 73 (158) | Montefiore Medical Center * | USA |  |
| 74 (160) | Northwestern Medicine | USA |  |
| 75 (163) | University of Wisconsin, Madison * | USA |  |
| 76 (166) | Oregon Health & Science University * | USA |  |
| 77 (167) | Rhode Island Hospital | USA |  |
| 78 (170) | University of Cincinnati * | USA |  |
| 79 (174) | UCLA Health System | USA |  |
| 80 (175) | University of Washington Medicine | USA |  |
| 81 (182) | Albert Einstein College of Medicine | USA |  |
| 82 (188) | Population Health Research Institute | CAN |  |
| 83 (200) | McGill University * | CAN |  |
| 84 (202) | Northwell Health * | USA |  |
| 85 (211) | University of Calgary * | CAN |  |
| 86 (220) | Tufts Medical Center | USA |  |
| 87 (231) | Icahn School of Medicine at Mount Sinai | USA |  |
| 88 (232) | Case Western Reserve University | USA |  |
| 89 (233) | VA San Diego Healthcare System | USA |  |
| 90 (239) | Virginia Commonwealth University * | USA |  |
| 91 (243) | Seattle Children's Hospital * | USA |  |
| 92 (244) | National Institute of Allergy and Infectious Diseases | USA |  |
| 93 (245) | Sunnybrook Health Sciences Centre | CAN |  |
| 94 (247) | Toronto General Hospital | CAN |  |
| 95 (249) | University of Kansas * | USA |  |
| 96 (250) | Rush University Medical Center | USA |  |
| 97 (251) | Rush University * | USA |  |
| 98 (256) | Northeastern University, USA | USA |  |
| 99 (259) | The Ottawa Hospital * | CAN |  |
| 99 (259) | University of Illinois, Chicago * | USA |  |
| 101 (261) | Intermountain Healthcare | USA |  |
| 102 (263) | University of Wisconsin Health | USA |  |
| 103 (267) | University of Arizona * | USA |  |
| 104 (271) | Indiana University Health | USA |  |
| 105 (272) | University of Southern California * | USA |  |
| 106 (282) | Inova Fairfax Hospital | USA |  |
| 107 (283) | Emory Healthcare | USA |  |
| 108 (284) | Ohio State University Wexner Medical Center | USA |  |
| 109 (287) | Cedars-Sinai Medical Center | USA |  |
| 110 (291) | Wake Forest University * | USA |  |
| 111 (301) | Massachusetts Institute of Technology * | USA |  |
| 112 (303) | University of Cincinnati Medical Center | USA |  |
| 113 (305) | Wake Forest University Baptist Medical Center | USA |  |
| 114 (306) | University of Saskatchewan | CAN |  |
| 115 (317) | Children's Healthcare of Atlanta | USA |  |
| 116 (320) | University of Virginia * | USA |  |
| 117 (323) | Hospital for Sick Children | CAN |  |
| 118 (329) | Children's Hospital Colorado | USA |  |
| 119 (330) | University Hospitals of Cleveland * | USA |  |
| 120 (343) | Indiana University-Purdue University Indianapolis | USA |  |
| 121 (344) | University of Kentucky * | USA |  |
| 122 (346) | Ottawa Hospital Research Institute | CAN |  |
| 123 (347) | University of Florida Health Science Center | USA |  |
| 124 (348) | Nationwide Children's Hospital | USA |  |
| 125 (349) | University of Manitoba | CAN |  |
| 126 (352) | University of California, Irvine Healthcare | USA |  |
| 127 (354) | George Washington University * | USA |  |
| 128 (357) | Penn State Milton S. Hershey Medical Center | USA |  |
| 129 (362) | University of Iowa * | USA |  |
| 130 (363) | Medical University of South Carolina * | USA |  |
| 131 (372) | University of Ottawa | CAN |  |
| 132 (374) | Dana Farber Cancer Institute | USA |  |
| 133 (383) | Temple University * | USA |  |
| 134 (387) | University of California, Davis * | USA |  |
| 135 (389) | UCSF Benioff Children's Hospital | USA |  |
| 136 (392) | VA Ann Arbor Healthcare System | USA |  |
| 137 (400) | McGill University Health Centre | CAN |  |
| 138 (404) | University of Miami * | USA |  |
| 139 (405) | Mount Sinai Hospital Joseph and Wolf Lebovic Health Complex | CAN |  |
| 140 (413) | University of Texas M.D. Anderson Cancer Center | USA |  |
| 141 (414) | Providence Health Care | CAN |  |
| 142 (417) | Denver Health Medical Center | USA |  |
| 143 (418) | Rutgers, The State University of New Jersey | USA |  |
| 144 (425) | U.S. Army * | USA |  |
| 145 (426) | Ann & Robert H Lurie Children s Hospital | USA |  |
| 146 (428) | University of Texas Health Science Center at San Antonio | USA |  |
| 147 (430) | University of Maryland Medical Center | USA |  |
| 148 (433) | Temple Health | USA |  |
| 149 (437) | University of Kansas Medical Center | USA |  |
| 150 (441) | Loyola University of Chicago * | USA |  |
| 151 (445) | University of Texas, Health Science Center at Houston | USA |  |
| 152 (447) | Memorial Sloan-Kettering Cancer Center | USA |  |
| 153 (451) | University of Rochester * | USA |  |
| 154 (452) | University of Texas Southwestern Medical Center | USA |  |
| 155 (463) | University of Nebraska Medical Center | USA |  |
| 156 (464) | University of Western Ontario | CAN |  |
| 157 (471) | Loyola Medicine | USA |  |
| 158 (476) | University of Massachusetts Medical School | USA |  |
| 159 (478) | Tennessee Valley Healthcare System | USA |  |
| 160 (480) | VCU Medical Center | USA |  |
| 161 (483) | Sherbrooke University * | CAN |  |
| 162 (484) | University of Virginia Health System | USA |  |
| 163 (490) | Queen's University | CAN |  |
| 164 (491) | Uniformed Services University of the Health Sciences | USA |  |
| 165 (492) | Medical College of Wisconsin | USA |  |
| 166 (493) | Children's National Health System | USA |  |
| 167 (498) | Wayne State University | USA |  |
| 168 (499) | University of Minnesota Health and Medicine | USA |  |
| 169 (500) | University of Rochester Medical Center | USA |  |
| 170 (505) | Harvard Pilgrim Health Care | USA |  |
| 171 (507) | UC San Diego Health System | USA |  |
| 172 (508) | George Washington The School of Medicine & Health Sciences | USA |  |
| 173 (512) | Hofstra University * | USA |  |
| 174 (514) | Donald and Barbara Zucker School of Medicine at Hofstra/Northwell | USA |  |
| 175 (515) | University of Utah Health Care | USA |  |
| 176 (519) | Texas Children's Hospital | USA |  |
| 177 (520) | State University of New York, Buffalo | USA |  |
| 178 (522) | University of Southern California Health Sciences Campus | USA |  |
| 179 (525) | San Francisco General Hospital | USA |  |
| 180 (532) | Boston Medical Center | USA |  |
| 181 (536) | UC Davis Health System | USA |  |
| 182 (541) | Arizona Health Sciences Center University of Arizona Tucson | USA |  |
| 183 (544) | Tufts University | USA |  |
| 184 (548) | Tulane University * | USA |  |
| 185 (549) | University of Texas Medical Branch | USA |  |
| 186 (552) | Children's Hospital Los Angeles | USA |  |
| 187 (555) | University of Miami Health System | USA |  |
| 188 (563) | Georgetown University * | USA |  |
| 189 (565) | Kaiser Permanente, Oakland * | USA |  |
| 190 (570) | Georgetown University Medical Center | USA |  |
| 191 (575) | Loma Linda University * | USA |  |
| 192 (577) | Hamilton Health Sciences * | CAN |  |
| 193 (587) | USF Health | USA |  |
| 194 (593) | University of Kentucky HealthCare | USA |  |
| 195 (595) | University of Vermont | USA |  |
| 196 (597) | Henry Ford Health System | USA |  |
| 197 (600) | MedStar Health * | USA |  |
| 198 (601) | Alberta Health Services * | CAN |  |
| 199 (612) | University of Missouri, Columbia * | USA |  |
| 200 (614) | University of South Florida | USA |  |
| 201 (620) | Toronto Western Hospital | CAN |  |
| 202 (621) | University of Tennessee, Knoxville * | USA |  |
| 203 (622) | BC Children's Hospital and Sunny Hill Health Centre for Children Vancouver | CAN |  |
| 204 (628) | Rainbow Babies and Children's Hospital | USA |  |
| 205 (629) | Shriners Hospitals for Children, USA | USA |  |
| 206 (638) | University of Connecticut, Storrs * | USA |  |
| 207 (641) | State University of New York, Stony Brook * | USA |  |
| 208 (651) | University of Iowa Health Care | USA |  |
| 209 (652) | University of Arkansas for Medical Sciences | USA |  |
| 210 (654) | Augusta University * | USA |  |
| 211 (655) | Rowan University | USA |  |
| 212 (663) | Dalhousie University * | CAN |  |
| 213 (673) | University of Mississippi * | USA |  |
| 214 (677) | Yale New Haven Health System | USA |  |
| 215 (681) | University of New Mexico * | USA |  |
| 216 (682) | University of Tennessee Health Science Center | USA |  |
| 217 (683) | Texas A&M University, College Station * | USA |  |
| 218 (684) | Thomas Jefferson University * | USA |  |
| 219 (689) | Colorado State University, Fort Collins * | USA |  |
| 220 (693) | VA Boston Healthcare System | USA |  |
| 221 (694) | London Health Sciences Centre | CAN |  |
| 222 (696) | New York Medical College | USA |  |
| 223 (697) | University of Mississippi Medical Center | USA |  |
| 224 (698) | Dartmouth College * | USA |  |
| 225 (701) | Universite de Montreal | CAN |  |
| 226 (706) | VA Puget Sound Health Care System | USA |  |
| 227 (707) | Washington Hospital Center | USA |  |
| 228 (710) | Saint Louis University, Saint Louis * | USA |  |
| 229 (711) | Albany Medical Center * | USA |  |
| 230 (713) | University of New Mexico Health Sciences Center | USA |  |
| 231 (719) | Detroit Medical Center | USA |  |
| 232 (723) | Laval University | CAN |  |
| 233 (725) | West Virginia University * | USA |  |
| 234 (729) | Creighton University | USA |  |
| 234 (729) | University of Northern Colorado * | USA |  |
| 236 (731) | Louisiana State University, Health Sciences Center * | USA |  |
| 237 (732) | Colorado School of Public Health | USA |  |
| 238 (745) | Atrium Health * | USA |  |
| 239 (748) | University of South Florida System * | USA |  |
| 240 (753) | Outcomes Research Consortium | USA |  |
| 241 (776) | BJC HealthCare | USA |  |
| 242 (781) | New York City Health and Hospitals Corp * | USA |  |
| 243 (785) | St. Joseph's Healthcare Hamilton | CAN |  |
| 244 (787) | U.S. Air Force | USA |  |
| 245 (790) | Centre Hospitalier Universitaire Sainte-Justine | CAN |  |
| 246 (793) | Sir Mortimer B. Davis Jewish General Hospital | CAN |  |
| 247 (794) | University of Texas, Austin | USA |  |
| 248 (798) | Houston Methodist | USA |  |
| 249 (807) | Los Angeles County-USC Medical Center | USA |  |
| 250 (808) | University of Louisville * | USA |  |
| 251 (810) | State University of New York Upstate Medical University * | USA |  |
| 252 (812) | Institut Universitaire de Cardiologie et de Pneumologie de Quebec | CAN |  |
| 253 (816) | Children's Hospital of Eastern Ontario | CAN |  |
| 254 (831) | University of Chicago Medical Center | USA |  |
| 255 (833) | Vancouver Coastal Health | CAN |  |
| 255 (833) | St Josephs Hospital and Medical Center | USA |  |
| 257 (840) | Institute for Clinical Evaluative Sciences * | CAN |  |
| 258 (842) | Scripps Health | USA |  |
| 259 (843) | Centre Hospitalier de l'Universite de Montreal | CAN |  |
| 260 (850) | Loma Linda University Medical Center | USA |  |
| 261 (860) | Cooper University Health Care | USA |  |
| 262 (872) | Spaulding Rehabilitation Hospital Network | USA |  |
| 263 (881) | University of Oklahoma * | USA |  |
| 264 (883) | Walter Reed National Military Medical Center | USA |  |
| 265 (912) | University of California, Riverside | USA |  |
| 266 (917) | Centre Hospitalier Universitaire de Quebec | CAN |  |
| 267 (918) | Central Michigan University | USA |  |
| 268 (922) | Dartmouth-Hitchcock Health Care System | USA |  |
| 269 (931) | Texas Tech University Health Sciences Center | USA |  |
| 270 (936) | Harbor–UCLA Medical Center | USA |  |
| 271 (937) | University of Oklahoma Health Sciences Center | USA |  |
| 272 (946) | West Virginia University Health Sciences Center | USA |  |
| 273 (948) | Carolinas Medical Center | USA |  |
|