[1] Univ Utah, Sch Med, Salt Lake City, UT 84132 USA
[2] Intermt Hlth, Off Res, Murray, UT USA
[3] Intermt Med Ctr, Dept Pulm & Crit Care Med, Murray, UT USA
[4] Intermt Hlth, Telecrit Care Program, Salt Lake City, UT USA
[5] Intermt Hlth, Telehlth Program, Salt Lake City, UT USA
[6] Univ Utah, Sch Med, Dept Med, Div Pulm & Crit Care Med, Salt Lake City, UT 84132 USA
[7] Stanford Univ, Sch Med, Dept Med, Stanford, CA USA