title: Response to the letter to editor from Richard A. Anderson and co-workers.
authors.forename: Claus Yding
authors.initials: CY
authors.lastname: Andersen
authors.forename: Erik
authors.initials: E
authors.lastname: Ernst
authors.forename: Mimi
authors.initials: M
authors.lastname: Kjærsgaard
authors.forename: Niels H
authors.initials: NH
authors.lastname: Birkebæk
authors.forename: Niels
authors.initials: N
authors.lastname: Clausen
mesh_terms: D000971:Antineoplastic Combined Chemotherapy Protocols / Q000009:adverse effects*; D001859:Bone Neoplasms / Q000150:complications*; D015925:Cryopreservation; D005260:Female; D059247:Fertility Preservation; D006801:Humans; D010053:Ovary / Q000637:transplantation*; D016649:Primary Ovarian Insufficiency / Q000517:prevention & control*; D011627:Puberty; D020266:Radiotherapy, Conformal / Q000009:adverse effects*; D012512:Sarcoma, Ewing / Q000150:complications*