| article html file updated | 6 February 2020 23:20 CET | Update | https://www.mdpi.com/1999-4915/7/10/2866 |
| article html file updated | 6 May 2019 10:14 CEST | Update | - |
| article html file updated | 26 March 2019 11:46 CET | Original file | - |
| article xml file uploaded | 4 November 2015 06:06 CET | Update | https://www.mdpi.com/1999-4915/7/10/2866/xml |
| article xml uploaded. | 1 October 2015 14:57 CEST | Update | - |
| article pdf uploaded. | 1 October 2015 14:57 CEST | Updated version of record | https://www.mdpi.com/1999-4915/7/10/2866/pdf |
| article xml file uploaded | 30 September 2015 08:31 CEST | Original file | - |
| article pdf uploaded. | 29 September 2015 14:13 CEST | Version of Record | https://www.mdpi.com/1999-4915/7/10/2866/pdf-vor |
