1. From the Department of Physiology (S.J.E.L., K.N.T.), School of Physical Education (S.J.E.L.), University of Otago, Dunedin, New Zealand; Physiological Rhythms Unit (C.T.), Department of Surgery and Anesthesia, University of Otago, Wellington, New Zealand; Department of Cardiothoracic Surgery (S.D.G.), Section of Surgery, University of Otago and Dunedin Hospital, Dunedin, New Zealand; Department of Biomedical Engineering (S.O.), Toyo University, Kawagoe-Shi, Saitama, Japan; Department of Human...