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| article xml file uploaded | 26 December 2014 11:27 CET | Original file | https://www.mdpi.com/1999-4907/5/12/3241/xml |
| article pdf uploaded. | 17 December 2014 08:24 CET | Updated version of record | https://www.mdpi.com/1999-4907/5/12/3241/pdf |
| article pdf uploaded. | 15 December 2014 11:49 CET | Version of Record | https://www.mdpi.com/1999-4907/5/12/3241/pdf-vor |
