Shift work in nurses: contribution of phenotypes and genotypes to adaptation. oleh Karen L Gamble, Alison A Motsinger-Reif, Akiko Hida, Hugo M Borsetti, Stein V Servick, Christopher M Ciarleglio, Sam Robbins, Jennifer Hicks, Krista Carver, Nalo Hamilton, Nancy Wells, Marshall L Summar, Douglas G McMahon, Carl Hirschie Johnson