| article html file updated | 9 February 2020 06:50 CET | Update | https://www.mdpi.com/1996-1944/11/2/302 |
| article html file updated | 30 September 2019 20:33 CEST | Update | - |
| article html file updated | 1 May 2019 18:00 CEST | Update | - |
| article html file updated | 17 April 2019 17:20 CEST | Update | - |
| article html file updated | 28 March 2019 23:45 CET | Update | - |
| article html file updated | 14 March 2018 16:09 CET | Update | - |
| article html file updated | 23 February 2018 07:29 CET | Original file | - |
| article xml uploaded. | 23 February 2018 07:28 CET | Update | https://www.mdpi.com/1996-1944/11/2/302/xml |
| article xml uploaded. | 23 February 2018 07:28 CET | Original file | - |
| article pdf uploaded. | 23 February 2018 07:28 CET | Updated version of record | https://www.mdpi.com/1996-1944/11/2/302/pdf |
| article pdf uploaded. | 16 February 2018 05:32 CET | Version of Record | https://www.mdpi.com/1996-1944/11/2/302/pdf-vor |