• Diagnosis, prevalence estimation and burden measurement in population surveys of headache: presenting the HARDship questionnaire 

      Steiner, Timothy J.; Gururaj, Gopalakrishna; Andree, Colette; Katsarava, Zaza; Ayzenberg, Ilya; Yu, Shengyuan; Al Jumah, Mohammed A; Tekle-Haimanot, Redda; Birbeck, Gretchen; Herekar, Arif; Linde, Mattias; Mbewe, Edouard; Manandhar, Kedar; Risal, Ajay; Jensen, Rigmor; Queiroz, Luiz Paulo; Scher, Ann; Wang, Shuu-Jiun; Stovner, Lars Jacob (Journal article; Peer reviewed, 2014)
      The global burden of headache is very large, but knowledge of it is far from complete and needs still to be gathered. Published population-based studies have used variable methodology, which has influenced findings and ...