| article html file updated | 8 February 2020 04:16 CET | Update | https://www.mdpi.com/1996-1944/10/4/444 |
| article html file updated | 24 September 2019 11:39 CEST | Update | - |
| article html file updated | 4 May 2019 00:58 CEST | Update | - |
| article html file updated | 28 April 2017 09:33 CEST | Update | - |
| article html file updated | 24 April 2017 12:50 CEST | Original file | - |
| article xml uploaded. | 24 April 2017 12:49 CEST | Original file | https://www.mdpi.com/1996-1944/10/4/444/xml |
| article pdf uploaded. | 24 April 2017 12:49 CEST | Version of Record | https://www.mdpi.com/1996-1944/10/4/444/pdf |
