Dr. Alexandra A. Panyutina serves in the Department of Vertebrate Zoology at Russia's Moscow State University. She has studied the evolution of bat flight since 2005. Prior to that, she studied the morpho ecological diversity of rhinolophid bats. Dr. Leonid P. Korzun serves as Professor and Head of the Department of Vertebrate Zoology at Moscow State. He has studied the morphological evolution of vertebrates (mainly birds) by means of functional analysis since 1970. Dr. Alexander N. Kuznetsov also serves in the Department of Vertebrate Zoology at Russia's Moscow State University. He has studied vertebrate locomotion since 1985, when he published the original model of the three-segment Z-like structure of mammalian parasagittal limb, which is now generally accepted by the scientific community.