| article html file updated | 11 February 2020 17:43 CET | Update | https://www.mdpi.com/1996-1073/12/4/706 |
| article html file updated | 15 October 2019 10:05 CEST | Update | - |
| article html file updated | 26 April 2019 13:13 CEST | Update | - |
| article html file updated | 12 April 2019 08:44 CEST | Update | - |
| article html file updated | 4 April 2019 01:01 CEST | Update | - |
| article html file updated | 1 March 2019 15:58 CET | Update | - |
| article html file updated | 1 March 2019 08:49 CET | Update | - |
| article html file updated | 21 February 2019 12:18 CET | Original file | - |
| article pdf uploaded. | 21 February 2019 12:15 CET | Version of Record | https://www.mdpi.com/1996-1073/12/4/706/pdf |
| article xml uploaded. | 21 February 2019 12:15 CET | Update | https://www.mdpi.com/1996-1073/12/4/706/xml |
| article xml file uploaded | 21 February 2019 12:15 CET | Original file | - |
