| article html file updated | 7 February 2020 12:27 CET | Update | https://www.mdpi.com/1996-1944/9/8/634 |
| article html file updated | 5 May 2019 08:46 CEST | Update | - |
| article html file updated | 27 March 2019 11:41 CET | Update | - |
| article html file updated | 26 August 2016 06:55 CEST | Update | - |
| article html file updated | 28 July 2016 10:09 CEST | Original file | - |
| article xml uploaded. | 28 July 2016 09:51 CEST | Update | https://www.mdpi.com/1996-1944/9/8/634/xml |
| article pdf uploaded. | 28 July 2016 09:51 CEST | Version of Record | https://www.mdpi.com/1996-1944/9/8/634/pdf |
