Reference values of body composition parameters and visceral adipose tissue (VAT) by DXA in adults aged 18–81 years—results from the LEAD cohort - Ofenheimer, Alina; Breyer-Kohansal, Robab; Hartl, Sylvia; Burghuber, Otto C; Krach, Florian; Schrott, Andrea; Wouters, Emiel FM; Franssen, Frits ME; Breyer, Marie-Kathrin (European journal of clinical nutrition, 2020)