Hypokalemic periodic paralysis: a 3-year follow-up study.

"Declarations Conflicts of interestThe authors declare that they have no conflict of interest. Ethical standard statementThe Danish National Committee on Health Research Ethics approved the research protocol (approval number H-20057357), and written informed consent was obtained from all participants. The authors declare that no funds, grants, or other supports were received during the preparation of this manuscript. The authors have no relevant financial or non-financial interests to disclose. Conflicts of interest The authors declare that they have no conflict of interest."

"Funding Open access funding provided by Royal Library, Copenhagen University Library. The Aase and Ejnar Danielsens Foundation, the Else and Mogens Wedel-Wedellsborg Foundation, the Grosserer L.F. Foghts Foundation, and the memorial fund of lawyer Valdemar Beck and his wife Marie Beck supported the study."