Participating centres in the ELAIA-1 trial
| Institution | Location | Type | Teaching | Beds |
| Bridgeport Hospital | Bridgeport, Connecticut, USA | Community | Yes | 383 |
| Greenwich Hospital | Greenwich, Connecticut, USA | Community | Yes | 206 |
| The Hospital of St. Raphael | New Haven, Connecticut, USA | Community | Yes | 511 |
| Lawrence and Memorial Hospital | New London, Connecticut, USA | General/acute care | No | 280 |
| Yale New Haven Hospital | New Haven, Connecticut, USA | Acute/Tertiary | Yes | 1030 |
| Westerly Hospital | Westerly, Rhode Island , USA | Community | No | 60 |