Network graph illustrating the relation between the assessed structural abnormalities on different locations within the knee joint in the total NEO study population. Network graph illustrating the relation between the assessed structural abnormalities on different locations within the knee joint in the total NEO study population. Lines represent a relation between the presence of two abnormalities. BMLs, bone marrow lesions; NEO, the Netherlands Epidemiology of Obesity study. A W Visser et al. RMD Open 2016;2:e000234 Copyright © BMJ Publishing Group & EULAR. All rights reserved.