Gene-Environment InteractionSerotonin Plasma Membrane Transport ProteinsEpistasis, GeneticAdult ChildrenEnvironmentGenetic Predisposition to DiseaseGenotypeSocial EnvironmentGenetic Association StudiesPolymorphism, Single NucleotideLife Change EventsModels, GeneticPhenotypeAllelesPolymorphism, GeneticAlcoholismX ChromosomeRisk FactorsFactor XRetinoid X ReceptorsBacteriophage phi X 174Receptors, Purinergic P2Factor X DeficiencyCollagen Type XMolecular Sequence DataKinetics