Correction: Chikungunya Virus-associated Long-term Arthralgia: A 36-month Prospective Longitudinal Study. - Clémentine Schilte; Frédérik Staikovsky; Thérèse Couderc; Yoann Madec; Florence Carpentier; Somar Kassab; Matthew L. Albert; Marc Lecuit; Alain Michault (Public Library of Science (PLoS), 2013)