[1] Univ Adelaide, Discipline Acute Care Med, Adelaide, SA, Australia
[2] Natl Hlth & Med Res Council, Australia Ctr Clin Res Excellence Nutr Physiol &, Canberra, ACT, Australia
[3] Royal Adelaide Hosp, Intens Care Unit, Adelaide, SA, Australia
[4] Menzies Hlth Inst Queensland, Gold Coast, Australia
[5] Royal Adelaide Hosp, Nucl Med & Bone Densitometry, Adelaide, SA, Australia
[6] Univ Adelaide, Discipline Med, Adelaide, SA, Australia
[7] Kingston Gen Hosp, Clin Evaluat Res Unit, Kingston, ON, Canada