[1] Cleveland Clin, Amer Ctr Reprod Med, Mail Code X-11,10681 Carnegie Ave, Cleveland, OH 44195 USA
[2] Univ Western Cape, Fac Community & Hlth Sci, Sch Nat Med, Bellville, South Africa
[3] Univ Bucharest, Fac Biol, Dept Genet, Bucharest, Romania
[4] King Abdulaziz Univ, Ctr Excellence Genom Med, Jeddah, Saudi Arabia
[5] Fac Med ABC, Dept Urol Sexual & Reprod Med, Santo Andre, SP, Brazil
[6] Univ Campania Luigi Vanvitelli, Dept Environm Biol & Pharmaceut Sci & Technol, Caserta, Italy
[7] Univ Teknol MARA, Fac Med, Dept Physiol, Sungai Buloh, Malaysia
[8] Univ Western Cape, Dept Med Biosci, Bellville, South Africa
[9] Imperial Coll London, Dept Metab Digest & Reprod, London, England