title: Response to the Letter to the Editor: Re: Wertli MM, Burgstaller JM, Weiser S, Steurer J, Kofmehl R, Held U. Influence of catastrophizing on treatment outcome in patients with nonspecific low back pain. A systematic review. Spine 2014;39: 263-273.
authors: Maria M
authors: MM
authors: Wertli
authors: Jakob Martin
authors: JM
authors: Burgstaller
authors: Ulrike
authors: U
authors: Held
authors: Johann
authors: J
authors: Steurer
authors: Sherri
authors: S
authors: Weiser