1. Ohio University, Department of Biological Sciences, Irvine Hall 107, Athens, OH 45701, USA
2. Ohio University Heritage College of Osteopathic Medicine, Department of Biomedical Sciences, 4180 Warrensville Center Road, SPS121, Warrensville Heights, OH 44122, USA
3. Idaho College of Osteopathic Medicine, 1401 E. Central Dr., Meridian, ID 83642, USA
4. Ohio University Heritage College of Osteopathic Medicine, Department of Biomedical Sciences, Irvine Hall 228, Athens, OH 45701, USA