| article html file updated | 6 February 2020 00:10 CET | Update | https://www.mdpi.com/1660-3397/11/1/233 |
| article html file updated | 19 September 2019 17:21 CEST | Update | - |
| article html file updated | 8 May 2019 09:25 CEST | Update | - |
| article html file updated | 20 March 2019 17:38 CET | Update | - |
| article html file updated | 17 June 2015 05:43 CEST | Update | - |
| article html file updated | 8 February 2013 09:37 CET | Update | - |
| article html file updated | 7 February 2013 17:56 CET | Update | - |
| article html file updated | 5 February 2013 10:45 CET | Update | - |
| article xml file uploaded | 5 February 2013 10:45 CET | Update | https://www.mdpi.com/1660-3397/11/1/233/xml |
| article html file updated | 24 January 2013 08:12 CET | Original file | - |
| article xml uploaded. | 24 January 2013 08:12 CET | Original file | - |
| article pdf uploaded. | 24 January 2013 08:12 CET | Updated version of record | https://www.mdpi.com/1660-3397/11/1/233/pdf |
| article pdf uploaded. | 23 January 2013 11:09 CET | Version of Record | https://www.mdpi.com/1660-3397/11/1/233/pdf-vor |
