| article html file updated | 8 February 2020 08:05 CET | Update | https://www.mdpi.com/1996-1944/10/6/644 |
| article html file updated | 25 September 2019 07:19 CEST | Update | - |
| article html file updated | 3 May 2019 17:50 CEST | Update | - |
| article html file updated | 27 June 2017 10:57 CEST | Update | - |
| article html file updated | 12 June 2017 12:10 CEST | Original file | - |
| article xml uploaded. | 12 June 2017 12:09 CEST | Update | https://www.mdpi.com/1996-1944/10/6/644/xml |
| article pdf uploaded. | 12 June 2017 12:09 CEST | Version of Record | https://www.mdpi.com/1996-1944/10/6/644/pdf |
