| article html file updated | 7 February 2020 15:00 CET | Update | https://www.mdpi.com/1996-1944/9/9/775 |
| article html file updated | 5 May 2019 04:04 CEST | Update | - |
| article html file updated | 27 September 2016 08:27 CEST | Update | - |
| article html file updated | 15 September 2016 05:49 CEST | Update | - |
| article xml uploaded. | 15 September 2016 05:48 CEST | Update | https://www.mdpi.com/1996-1944/9/9/775/xml |
| article pdf uploaded. | 15 September 2016 05:48 CEST | Updated version of record | https://www.mdpi.com/1996-1944/9/9/775/pdf |
| article html file updated | 14 September 2016 11:46 CEST | Original file | - |
| article xml uploaded. | 14 September 2016 11:45 CEST | Original file | - |
| article pdf uploaded. | 14 September 2016 11:45 CEST | Version of Record | https://www.mdpi.com/1996-1944/9/9/775/pdf-vor |
