[1] Creighton Univ, Sch Dent, Dept Prosthodont, 2500 Calif Plaza, Omaha, NE 68178 USA
[2] Univ Nebraska Med Ctr, Lincoln Div, Coll Nursing, Room CCRT 114,1230 O St,Suite 131, Lincoln, NE 68588 USA
[3] Univ Nebraska Med Ctr, Dept Community Based Hlth, Coll Nursing, Room 4056,985330 Nebraska Med Ctr, Omaha, NE 68198 USA
[4] Ohio State Univ, Coll Dent, 305 W 12th Ave, Columbus, OH 43210 USA
[5] Idaho State Univ Meridian, 1311E Cent Dr, Meridian, ID 83642 USA
[6] Ohio State Univ, Dept Internal Med, Coll Med, Suite 5251590 N High St, Columbus, OH 43210 USA
[7] Vet Affairs Nebraska Western Iowa Hlth Care Syst, Dept Surg Dent Serv, 4101 Woolworth Ave, Omaha, NE 68105 USA