Educational centers (data collection)

• University of Valladolid (Spain)
• University of Ottawa (Canada)
• University of Cantabria (Spain)
• Language Centre, Fundación General de la Universidad de Valladolid (Spain)
• International School of Valladolid (Spain)
• San Juan Bautista de La Salle School, Valladolid (Spain)
• Eloy Villanueva Infant & Primary School, Santander (Spain)
• Cantabria High School, Santander (Spain)

Graduate students

• RECORDINGS: Sonja Mujcinovic, Israel de la Fuente Velasco, Mónica Barrio García, Alfonso Martínez Pérez, Beatriz Esteban, Katja Viitanen, Victoria López Aparicio, Elena Holgueras Ortega, Raquel Olmos García.
• TRANSCRIPTIONS: Sonja Mujcinovic, Israel de la Fuente Velasco, Mónica Barrio García, Alfonso Martínez Pérez