1Vice President of Research & Regulatory Affairs, Quadex Pharmaceuticals, LLC, 6975 Union Park Center, #300, Salt Lake City, UT 84047, USA
2Professor and Indiana Dental Association endowed Chair in Restorative Dentistry, Indiana University School of Dentistry, DS S-317, 1121 W. Michigan Street, Indianapolis, IN 46202, USA
3James P. Bowman & Associates, 6409 Roth Ridge Dr. Loveland, OH 45140, USA