| article html file updated | 7 February 2020 15:59 CET | Update | https://www.mdpi.com/1996-1944/9/10/821 |
| article html file updated | 5 May 2019 02:18 CEST | Update | - |
| article html file updated | 27 October 2016 11:40 CEST | Update | - |
| article html file updated | 10 October 2016 02:18 CEST | Original file | - |
| article xml uploaded. | 10 October 2016 02:16 CEST | Original file | https://www.mdpi.com/1996-1944/9/10/821/xml |
| article pdf uploaded. | 10 October 2016 02:16 CEST | Updated version of record | https://www.mdpi.com/1996-1944/9/10/821/pdf |
| article pdf uploaded. | 6 October 2016 09:08 CEST | Version of Record | - |
