[1] Univ Dayton, Dept Biol, Dayton, OH 45469 USA
[2] Univ Dayton, Ctr Tissue Regenerat & Engn Dayton, Dayton, OH 45469 USA
[3] Ctr Dev Biol, RIKEN, Kobe, Hyogo, Japan
[4] Kyoto Univ, Dept Biophys, Kyoto, Japan
[5] Miami Univ, Dept Zool, Oxford, OH 45056 USA