3965
Over a period of 40 years , psychiatrist Ian Stevenson , from the University of Virginia , conducted more than 2,500 case studies of young children who claimed to remember past lives .
 person: Ian Stevenson; organization: University of Virginia
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 person: Ian Stevenson; organization: University of Virginia