Prevalence of persistent symptoms after treatment for lyme borreliosis: A prospective observational cohort study oleh Jeanine Ursinus, MD, Hedwig D. Vrijmoeth, MD, Margriet G. Harms, MSc, Anna D. Tulen, MSc, Hans Knoop, PhD, Stefanie A. Gauw, BSc, Tizza P. Zomer, PhD, Albert Wong, PhD, Ingrid H.M. Friesema, PhD, Yolande M. Vermeeren, MD, PhD, Leo A.B. Joosten, PhD, Joppe W. Hovius, MD, PhD, Bart Jan Kullberg, MD, PhD, Cees C. van den Wijngaard, PhD