TABLE 2.
Top five countries and institutions contributing in the field of radiotherapy associated with semen parameters and male reproductive hormones.
| Semen Parameters (n = 155) | Reproductive Hormones (n = 29) | |
|---|---|---|
| Countries | United States (n = 31) | France (n = 4) | 
| Germany (n = 20) | Germany (n = 4) | |
| United Kingdom (n = 19) | United Kingdom (n = 4) | |
| France (n = 18) | Belgium (n = 2) | |
| Italy (n = 12) | Canada (n = 2) | |
| Institutions | Catholic University of Louvain, Belgium (n = 6) | Catholic University of Louvain, Belgium (n = 2) | 
| Cleveland Clinic Foundation, United States (n = 6) | Université McGill, Canada (n = 2) | |
| Royal Hospital for Sick Children, United Kingdom (n = 6) | Universitetet i Oslo, Norway (n = 2) | |
| Hospital Charles Nicolle, Tunisia (n = 6) | King’s College London, United Kingdom (n = 2) | |
| Charité—Universitätsmedizin Berlin, Germany (n = 6) | Cliniques Universitaires Saint-Luc, Belgium (n = 2) |