Authors’ contributions
dementia
COMPLICATIONS
EO analyzed, interpreted the patient data and was a major contributor in writing the manuscript. YG analyzed all assessments, documentations, registered diagnosis and complications from patients’ medical records. The same consultant analyzed all assessment data and documentation to determine whether participants fulfilled the DSM-IV criteria for DDs and dementia. BO collected the data in both RCTs. All authors contributed to the study concept and design, interpretation of data, read and approved the final manuscript.