Practice parameters for the indications for polysomnography and related procedures: an update for 2005 - Kushida, C A; Littner, M R; Morgenthaler, T; Alessi, C A; Bailey, D; Coleman, J, Jr; Friedman, L; Hirshkowitz, M; Kapen, S; Kramer, M; Lee-Chiong, T; Loube, D L; Owens, J; Pancer, J P; Wise, M (Sleep, 2005)