| article html file updated | 8 February 2020 03:33 CET | Update | https://www.mdpi.com/1996-1944/10/4/408 |
| article html file updated | 24 September 2019 07:31 CEST | Update | - |
| article html file updated | 4 May 2019 02:17 CEST | Update | - |
| article html file updated | 28 April 2017 09:23 CEST | Update | - |
| article html file updated | 14 April 2017 10:04 CEST | Original file | - |
| article xml uploaded. | 14 April 2017 10:02 CEST | Original file | https://www.mdpi.com/1996-1944/10/4/408/xml |
| article pdf uploaded. | 14 April 2017 10:02 CEST | Updated version of record | https://www.mdpi.com/1996-1944/10/4/408/pdf |
| article pdf uploaded. | 13 April 2017 14:45 CEST | Version of Record | https://www.mdpi.com/1996-1944/10/4/408/pdf-vor |
