| article html file updated | 8 February 2020 03:38 CET | Update | https://www.mdpi.com/1996-1944/10/4/412 |
| article html file updated | 24 September 2019 08:01 CEST | Update | - |
| article html file updated | 4 May 2019 02:08 CEST | Update | - |
| article html file updated | 28 April 2017 09:24 CEST | Update | - |
| article html file updated | 14 April 2017 14:17 CEST | Original file | - |
| article xml uploaded. | 14 April 2017 14:16 CEST | Original file | https://www.mdpi.com/1996-1944/10/4/412/xml |
| article pdf uploaded. | 14 April 2017 14:16 CEST | Version of Record | https://www.mdpi.com/1996-1944/10/4/412/pdf |
