| article html file updated | 8 February 2020 06:31 CET | Update | https://www.mdpi.com/1996-1944/10/6/568 |
| article html file updated | 24 September 2019 23:25 CEST | Update | - |
| article html file updated | 3 May 2019 20:45 CEST | Update | - |
| article html file updated | 27 June 2017 10:38 CEST | Update | - |
| article html file updated | 23 May 2017 16:14 CEST | Original file | - |
| article xml uploaded. | 23 May 2017 16:12 CEST | Original file | https://www.mdpi.com/1996-1944/10/6/568/xml |
| article pdf uploaded. | 23 May 2017 16:12 CEST | Version of Record | https://www.mdpi.com/1996-1944/10/6/568/pdf |
