Social SciencesPopulation Health SciencesHealth Services ResearchPopulation HealthPopulation StudiesDemographic AnalysisSex Differences In HealthSex DistributionSex RatioPsychological Distress ScreeningQuestionnaire AdministrationSex Ratio Data AnalysisSex Ratio DifferentialsSex Ratio EstimationSex Ratio MeasurementSex StatisticsSurvey-based Sex Ratio
research that requires only answering questions, without risk of psychological distress. 5The sooner this concept is implemented by committeees in all countries, the sooner we can stop unnecessary applications which are both risky and costly.I thank the research partners from the IMPROVE project who completed the survey questionnaire.I also thank the referee of the first version.
1