| article html file updated | 8 February 2020 04:14 CET | Update | https://www.mdpi.com/1996-1944/10/4/447 |
| article html file updated | 24 September 2019 11:29 CEST | Update | - |
| article html file updated | 4 May 2019 01:01 CEST | Update | - |
| article html file updated | 28 April 2017 09:33 CEST | Update | - |
| article html file updated | 23 April 2017 12:23 CEST | Original file | - |
| article xml uploaded. | 23 April 2017 12:22 CEST | Original file | https://www.mdpi.com/1996-1944/10/4/447/xml |
| article pdf uploaded. | 23 April 2017 12:22 CEST | Version of Record | https://www.mdpi.com/1996-1944/10/4/447/pdf |
