Reply.
Amsterdam Rehabilitation Research Center|Reade, Amsterdam, The Netherlands.
Joyce A C
JAC
van Tunen
Amsterdam Rehabilitation Research Center|Reade, Amsterdam, The Netherlands.
Martin
M
van der Esch
Amsterdam Rehabilitation Research Center|Reade, Amsterdam, The Netherlands.
Leo D
LD
Roorda
Amsterdam Rehabilitation Research Center|Reade and VU University Medical Center, Amsterdam, The Netherlands.
Marike
M
van der Leeden
Jan van Breemen Research Institute|Reade and VU University Medical Center, Amsterdam, The Netherlands.
Willem F
WF
Lems
VU University Medical Center, Amsterdam, the Netherlands.
Joost
J
Dekker
D000700:Analgesics; D005081:Exercise Therapy; D005240:Feasibility Studies; D006801:Humans; D020370:Osteoarthritis, Knee; D010146:Pain
D000700:Analgesics