[1] Univ Gloucestershire, Sch Sport & Exercise, Gloucester GL2 9HW, England
[2] Northumbria Univ, Fac Hlth & Life Sci, Newcastle Upon Tyne NE1 8ST, Tyne & Wear, England
[3] Newcastle Univ, Human Nutr Res Ctr, Inst Cellular Med, Newcastle, England
[4] Northwest Univ, Sch Environm Sci & Dev, Water Res Grp, Potchefstroom, South Africa