Chronic kidney disease incidences in Thai outpatients diagnosed with psychiatric illnesses receiving lithium maintenance therapy: a university hospital-based study.

"Declarations We confirm that all methods were carried out in accordance with relevant guidelines and regulations. Ethics approval and consent to participateAll stages of research were conducted following the Declaration of Helsinki and the Ethical Statements of the Ethics Committee of the Faculty of Medicine, Prince of Songkla University. This study was approved by the Ethics Committee of the Faculty of Medicine, Prince of Songkla University (REC.65-389-3-4). Throughout the research process, the participants could not be identified, and the policy of strict confidentiality, therefore the informed consent was waived and approved by the Ethics Committees of the Faculty of Medicine, Prince of Songkla University. Consent for publicationNot applicable. Competing interestsThe authors declare no competing interests. Competing interests The authors declare no competing interests."

"Funding This study was fully supported by the Faculty of Medicine, Prince of Songkla University, Thailand. The funders played no role in the study design, data collection, analysis, decision to publish, or preparation of the manuscript."