| article html file updated | 7 February 2020 11:09 CET | Update | https://www.mdpi.com/1996-1944/9/7/538 |
| article html file updated | 5 May 2019 11:09 CEST | Update | - |
| article html file updated | 27 March 2019 09:14 CET | Update | - |
| article html file updated | 29 July 2016 10:37 CEST | Update | - |
| article html file updated | 7 July 2016 12:44 CEST | Update | - |
| article xml uploaded. | 7 July 2016 12:43 CEST | Update | https://www.mdpi.com/1996-1944/9/7/538/xml |
| article pdf uploaded. | 7 July 2016 12:43 CEST | Updated version of record | https://www.mdpi.com/1996-1944/9/7/538/pdf |
| article html file updated | 1 July 2016 13:14 CEST | Original file | - |
| article pdf uploaded. | 1 July 2016 13:12 CEST | Version of Record | https://www.mdpi.com/1996-1944/9/7/538/pdf-vor |
