| article html file updated | 8 February 2020 09:30 CET | Update | https://new.mdpi.com/1996-1944/10/7/721 |
| article html file updated | 25 September 2019 14:51 CEST | Update | - |
| article html file updated | 3 May 2019 15:10 CEST | Update | - |
| article html file updated | 1 August 2017 09:46 CEST | Update | - |
| article html file updated | 29 June 2017 08:01 CEST | Original file | - |
| article xml uploaded. | 29 June 2017 08:00 CEST | Original file | https://new.mdpi.com/1996-1944/10/7/721/xml |
| article pdf uploaded. | 29 June 2017 08:00 CEST | Updated version of record | https://new.mdpi.com/1996-1944/10/7/721/pdf |
| article pdf uploaded. | 28 June 2017 14:09 CEST | Version of Record | https://new.mdpi.com/1996-1944/10/7/721/pdf-vor |
