1 Department of Family and Community Medicine, University of Kansas School of Medicine-Wichita, 1010 North Kansas, 3007C, Wichita, KS 67214-3199, USA. Electronic address: rkellerm@kumc.edu.
2 Department of Family and Community Medicine, University of Kansas School of Medicine-Wichita, 1010 North Kansas 3001B, Wichita, KS 67214, USA. Electronic address: lmayans@kumc.edu.