Evaluation of Financial and Nonfinancial Conflicts of Interest and Quality of Evidence Underlying Psoriatic Arthritis Clinical Practice Guidelines: Analysis of Personal Payments From Pharmaceutical Companies and Authors' Self-Citation Rate in Japan and the United States. - Mamada H; Murayama A; Kamamoto S; Kaneda Y; Yoshida M; Sugiura S; Yamashita E; Kusumi E; Saito H; Sawano T; Tanimoto T; Vassar M; et al. (Arthritis care & research, 2023)