| article html file updated | 9 February 2020 04:04 CET | Update | https://www.mdpi.com/1996-1944/11/2/177 |
| article html file updated | 30 September 2019 03:53 CEST | Update | - |
| article html file updated | 2 May 2019 00:07 CEST | Update | - |
| article html file updated | 17 April 2019 22:37 CEST | Update | - |
| article html file updated | 28 March 2019 17:47 CET | Update | - |
| article html file updated | 14 March 2018 15:12 CET | Update | - |
| article html file updated | 24 January 2018 04:53 CET | Original file | - |
| article xml uploaded. | 24 January 2018 04:52 CET | Update | https://www.mdpi.com/1996-1944/11/2/177/xml |
| article xml uploaded. | 24 January 2018 04:52 CET | Original file | - |
| article pdf uploaded. | 24 January 2018 04:52 CET | Updated version of record | https://www.mdpi.com/1996-1944/11/2/177/pdf |
| article pdf uploaded. | 23 January 2018 18:22 CET | Version of Record | https://www.mdpi.com/1996-1944/11/2/177/pdf-vor |
