Failures (with some successes) of assisted reproduction and gamete donation programs

D T Baird, S Bhattacharya, P Devroey, K Diedrich, J L H Evers, B C J M Fauser, P Jouannet, A Pellicer, E Walters, P G Crosignani (Corresponding Author), L Fraser, J P M Geraedts, L Gianaroli, A Glasier, I Liebaers, A Sunde, J S Tapanainen, B Tarlatzis, A Van Steirteghem, A Veiga