| article html file updated | 6 February 2020 23:49 CET | Update | https://www.mdpi.com/1999-4915/7/10/2878 |
| article html file updated | 6 May 2019 09:14 CEST | Update | - |
| article html file updated | 26 March 2019 12:38 CET | Original file | - |
| article xml file uploaded | 4 November 2015 06:06 CET | Original file | https://www.mdpi.com/1999-4915/7/10/2878/xml |
| article pdf uploaded. | 23 October 2015 03:42 CEST | Updated version of record | https://www.mdpi.com/1999-4915/7/10/2878/pdf |
| article pdf uploaded. | 15 October 2015 17:34 CEST | Version of Record | https://www.mdpi.com/1999-4915/7/10/2878/pdf-vor |
