| article html file updated | 8 February 2020 03:07 CET | Update | https://www.mdpi.com/1996-1944/10/4/394 |
| article html file updated | 24 September 2019 05:11 CEST | Update | - |
| article html file updated | 4 May 2019 03:08 CEST | Update | - |
| article html file updated | 28 April 2017 09:18 CEST | Update | - |
| article html file updated | 10 April 2017 06:19 CEST | Original file | - |
| article xml uploaded. | 10 April 2017 06:18 CEST | Original file | https://www.mdpi.com/1996-1944/10/4/394/xml |
| article pdf uploaded. | 10 April 2017 06:18 CEST | Updated version of record | https://www.mdpi.com/1996-1944/10/4/394/pdf |
| article pdf uploaded. | 7 April 2017 12:57 CEST | Version of Record | https://www.mdpi.com/1996-1944/10/4/394/pdf-vor |
