Criteria for the diagnosis of fibromyalgia: validation of the modified 2010 preliminary American College of Rheumatology criteria and the development of alternative criteria - Bennett, R M; Friend, R; Marcus, D; Bernstein, C; Han, B K; Yachoui, R; Deodhar, A; Kaell, A; Bonafede, P; Chino, A; Jones, K D (Arthritis Care Res (Hoboken), 2014)