Protocolo para sujetos no-medicos, la Universidad de Stanford, Stanford, CA EE.UU.
Información: La Universidad de Stanford
Para preguntas sobre este estudio diríjase a : Timothy Webmoor, Building 110, Stanford, CA (USA) 94305 Teléfono: (001) 650-723-3421 Correo electrónico (email): tim webmoor
Para una copia de la forma de consentimiento: 
Consent Form Cuestionario-Protocolo para sujetos.doc
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