[1] Penn State Univ, Physiol Program, University Pk, PA 16802 USA
[2] Penn State Univ, Dept Kinesiol, University Pk, PA 16802 USA
[3] Loughborough Univ, Environm Ergon Res Ctr, Loughborough, Leics, England
[4] Univ Sydney, Fac Med & Hlth, Heat & Hlth Res Incubator, Sydney, NSW, Australia