| article html file updated | 6 February 2020 12:23 CET | Update | https://www.mdpi.com/2077-0383/3/3/1050 |
| article html file updated | 7 May 2019 08:00 CEST | Update | - |
| article html file updated | 22 March 2019 01:19 CET | Update | - |
| article html file updated | 20 August 2015 20:21 CEST | Update | - |
| article html file updated | 16 December 2014 04:51 CET | Update | - |
| article xml file uploaded | 16 December 2014 04:51 CET | Update | https://www.mdpi.com/2077-0383/3/3/1050/xml |
| article html file updated | 10 December 2014 09:53 CET | Update | - |
| article xml file uploaded | 10 December 2014 09:53 CET | Update | - |
| article html file updated | 20 October 2014 11:29 CEST | Update | - |
| article xml file uploaded | 20 October 2014 11:29 CEST | Update | - |
| article html file updated | 19 October 2014 15:58 CEST | Original file | - |
| article xml file uploaded | 19 October 2014 15:58 CEST | Original file | - |
| article pdf uploaded. | 25 September 2014 15:42 CEST | Updated version of record | https://www.mdpi.com/2077-0383/3/3/1050/pdf |
| article pdf uploaded. | 22 September 2014 14:05 CEST | Version of Record | https://www.mdpi.com/2077-0383/3/3/1050/pdf-vor |
