Affiliation: | a GlaxoSmithKline, 5 Moore Dr., Mail Stop 17.1355B, Research Triangle Park, NC 27709, USA b Xcenda LLC, 4114 Woodlands Parkway, Suite 500, Palm Harbor, FL 34685, USA c West Virginia University, Morgantown, WV; 960 Chestnut Ridge Rd., Apt 112, Morgantown WV 26505, USA |