Initially contacted professionals, response rate and final participants
| Hospital | Region | Professional group | Letters sent | Response | Response rate (%) | No of final participants |
| HUPES | NE | Doctors | 6 | 4 | 67 | 4 |
| HCPA | SO | Doctors | 2 | 2 | 100 | 2 |
| HCUFMG | SE | Doctors | 2 | 2 | 100 | 2 |
| HB | NE | Doctors | 1 | 1 | 100 | 1 |
| HGV | NO | Doctors | 1 | 1 | 100 | 1 |
| HUPES | NE | Nurses | 2 | 2 | 100 | 2 |
| HCPA | SO | Nurses | 2 | 2 | 100 | 2 |
| HCUFMG | SE | Nurses | 2 | 1 | 50 | 1 |
| HB | NE | Nurses | 2 | 2 | 100 | 2 |
| HSL | SE | Nurses | 2 | 2 | 100 | 2 |
| HGV | NO | Nurses | 1 | 1 | 100 | 1 |
| HUPES | NE | Pharmacists | 5 | 3 | 60 | 2 |
| HCPA | SO | Pharmacists | 2 | 2 | 100 | 2 |
| HCUFMG | SE | Pharmacists | 2 | 2 | 100 | 2 |
| HB | NE | Pharmacists | 2 | 2 | 100 | 2 |
| HSL | SE | Pharmacists | 1 | 0 | 0 | 0 |
| João XXIII | SE | Pharmacists | 2 | 1 | 50 | 1 |
| HGV | NO | Pharmacists | 1 | 1 | 100 | 1 |
| Total | 37 | 31 | 84 | 30 |
HB, Hospital da Bahia; HCPA, Hospital das Clínicas de Porto Alegre; HCUFMG, Hospital das Clínicas da Universidade Federal de Minas Gerais; HGV, Hospital Getúlio Vargas; HSL, Hospital Sírio Libanês; HUPES, Hospital Universitário Professor Edgard Santos; João XXIII, Hospital João XXIII; NE, Northeast; NO, North; SE, Southeast; SO, Southwest.