aDivision of Endocrinology and Diabetology, Medical University of Graz, Graz, Austria

bDepartment of Kinesiology and Public Health Education, Hyslop Sports Center, University of North Dakota, Grand Forks, North Dakota, USA

Correspondence to Henry C. Lukaski, PhD, FACSM, FSLAN, Adjunct Professor, Department of Kinesiology and Public Health Education, Hyslop Sports Center, University of North Dakota, Grand Forks, ND 58202, USA. E-mail: [email protected]