[1] Oregon National Primate Research Center,Division of Reproductive and Developmental Sciences
[2] Oregon Health & Science University,undefined
[3] Max Planck Institute for Molecular Biomedicine,undefined
[4] Münster 48149,undefined
[5] Germany ,undefined
[6] Present address: South Miyagi Medical Center,undefined
[7] Miyagi 989-1253,undefined
[8] Japan.,undefined