| article html file updated | 8 February 2020 03:51 CET | Update | https://www.mdpi.com/1996-1944/10/4/425 |
| article html file updated | 24 September 2019 09:18 CEST | Update | - |
| article html file updated | 4 May 2019 01:44 CEST | Update | - |
| article html file updated | 28 April 2017 09:28 CEST | Update | - |
| article html file updated | 20 April 2017 06:14 CEST | Original file | - |
| article xml uploaded. | 20 April 2017 06:13 CEST | Update | https://www.mdpi.com/1996-1944/10/4/425/xml |
| article pdf uploaded. | 20 April 2017 06:13 CEST | Updated version of record | https://www.mdpi.com/1996-1944/10/4/425/pdf |
| article pdf uploaded. | 18 April 2017 15:41 CEST | Version of Record | https://www.mdpi.com/1996-1944/10/4/425/pdf-vor |
