The hidden burden of dysmenorrhea among adolescent girls in Palestine refugee camps: a focus on well-being and academic performance.

"Declarations Ethical approval and consent to participateThe study was approved by the Research Ethics Committee at Birzeit University (reference number 171114) in December 2017 and by the Regional Committee for Medical and Health Research Ethics (REC) in Norway (reference number 2018/2206) in June 2019. Written informed consent for participation was obtained from the girls and their female caregivers in the same household. Consent for publicationNot applicable. Competing interestsThe authors declare no competing interests. Competing interests The authors declare no competing interests."

"Funding This work was carried out with the aid of a grant from the International Development Research Centre (IDRC), Ottawa, Canada. The views expressed herein do not necessarily represent those of IDRC or its Board of Governors."