[1] East Carolina Univ, Brody Sch Med, Dept Physiol, Greenville, NC 27858 USA
[2] Edward Via Coll Osteopath Med, Carolinas Campus, Spartanburg, SC USA
[3] Indiana Univ Sch Med, Dept Internal Med Pediat, Indianapolis, IN USA
[4] Texas Tech Univ, Hlth Sci Ctr El Paso, Dept Med Educ, El Paso, TX USA
[5] Emory Univ, Sch Med, Dept Gynecol & Obstet, Atlanta, GA USA
[6] East Carolina Univ, Brody Sch Med, Dept Anat & Cell Biol, Greenville, NC USA
[7] Touro Univ Nevada, Basic Sci Dept, Henderson, NV USA