9117
Authors review the previous pathogenic theories , discuss the link between concentric sclerosis and Liesegang 's periodic precipitation phenomenon and propose a new mechanism based on self-organization .
 person: Liesegang
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 person: Liesegang