| article html file updated | 8 February 2020 03:28 CET | Update | https://www.mdpi.com/1996-1944/10/4/404 |
| article html file updated | 24 September 2019 06:59 CEST | Update | - |
| article html file updated | 4 May 2019 02:27 CEST | Update | - |
| article html file updated | 28 April 2017 09:21 CEST | Update | - |
| article html file updated | 12 April 2017 15:08 CEST | Original file | - |
| article xml uploaded. | 12 April 2017 15:06 CEST | Original file | https://www.mdpi.com/1996-1944/10/4/404/xml |
| article pdf uploaded. | 12 April 2017 15:06 CEST | Version of Record | https://www.mdpi.com/1996-1944/10/4/404/pdf |
