| article html file updated | 8 February 2020 03:19 CET | Update | https://www.mdpi.com/1996-1944/10/4/401 |
| article html file updated | 24 September 2019 06:16 CEST | Update | - |
| article html file updated | 4 May 2019 02:43 CEST | Update | - |
| article html file updated | 28 April 2017 09:21 CEST | Update | - |
| article html file updated | 12 April 2017 11:02 CEST | Original file | - |
| article xml uploaded. | 12 April 2017 11:01 CEST | Original file | https://www.mdpi.com/1996-1944/10/4/401/xml |
| article pdf uploaded. | 12 April 2017 11:01 CEST | Updated version of record | https://www.mdpi.com/1996-1944/10/4/401/pdf |
| article pdf uploaded. | 11 April 2017 15:37 CEST | Version of Record | https://www.mdpi.com/1996-1944/10/4/401/pdf-vor |
