| article html file updated | 9 February 2020 03:00 CET | Update | https://www.mdpi.com/1996-1944/11/1/128 |
| article html file updated | 29 September 2019 21:40 CEST | Update | - |
| article html file updated | 2 May 2019 02:21 CEST | Update | - |
| article html file updated | 18 April 2019 00:36 CEST | Update | - |
| article html file updated | 28 March 2019 15:26 CET | Update | - |
| article html file updated | 1 February 2018 14:44 CET | Update | - |
| article html file updated | 16 January 2018 07:49 CET | Original file | - |
| article xml uploaded. | 16 January 2018 07:48 CET | Update | https://www.mdpi.com/1996-1944/11/1/128/xml |
| article xml uploaded. | 16 January 2018 07:48 CET | Update | - |
| article xml uploaded. | 16 January 2018 07:48 CET | Original file | - |
| article pdf uploaded. | 16 January 2018 07:48 CET | Updated version of record | https://www.mdpi.com/1996-1944/11/1/128/pdf |
| article pdf uploaded. | 13 January 2018 12:06 CET | Version of Record | https://www.mdpi.com/1996-1944/11/1/128/pdf-vor |
