TY - JOUR T1 - Dr. Appel replies JF - The Journal of Rheumatology JO - J Rheumatol SP - 2211 LP - 2211 DO - 10.3899/jrheum.150610 VL - 42 IS - 11 AU - HEINER APPEL Y1 - 2015/11/01 UR - http://www.jrheum.org/content/42/11/2211.1.abstract N2 - To the Editor:We thank Pacheco-Tena, et al1 for their letter. … Address correspondence to Dr. H. Appel, Charité Universitätsmedizin Berlin, Campus Benjamin Franklin, Rheumatology, Hindenburgdamm 30, 12200 Berlin, Germany. E-mail: heiner.appel{at}charite.de ER -