Sex | |
 Male | 10 (34.5) |
 Female | 19 (65.5) |
Age range | |
 27–38 years old | 22 (75.9) |
 41–57 years old | 7 (24.1) |
Level of training | |
 Medical doctor | 25 (86.2) |
 Non medical doctor | 4 (6. 9) |
Additional degree | |
 Ph.D. degree | 6 (20.9) |
 Master degree | 23 (79.3) |