| article html file updated | 7 February 2020 23:09 CET | Update | https://www.mdpi.com/1996-1944/10/2/156 |
| article html file updated | 23 September 2019 06:41 CEST | Update | - |
| article html file updated | 4 May 2019 11:42 CEST | Update | - |
| article html file updated | 2 March 2017 09:15 CET | Update | - |
| article html file updated | 14 February 2017 10:21 CET | Original file | - |
| article xml uploaded. | 14 February 2017 10:19 CET | Update | https://www.mdpi.com/1996-1944/10/2/156/xml |
| article xml uploaded. | 14 February 2017 10:19 CET | Original file | - |
| article pdf uploaded. | 14 February 2017 10:19 CET | Updated version of record | https://www.mdpi.com/1996-1944/10/2/156/pdf |
| article pdf uploaded. | 10 February 2017 18:08 CET | Version of Record | https://www.mdpi.com/1996-1944/10/2/156/pdf-vor |
