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| article xml file uploaded | 26 December 2014 11:33 CET | Original file | https://www.mdpi.com/1999-4915/6/12/5145/xml |
| article pdf uploaded. | 23 December 2014 09:08 CET | Updated version of record | https://www.mdpi.com/1999-4915/6/12/5145/pdf |
| article pdf uploaded. | 22 December 2014 11:08 CET | Version of Record | https://www.mdpi.com/1999-4915/6/12/5145/pdf-vor |
