| article html file updated | 11 February 2020 16:54 CET | Update | https://www.mdpi.com/1996-1073/12/4/660 |
| article html file updated | 15 October 2019 05:05 CEST | Update | - |
| article html file updated | 26 April 2019 14:59 CEST | Update | - |
| article html file updated | 12 April 2019 10:38 CEST | Update | - |
| article html file updated | 3 April 2019 22:45 CEST | Update | - |
| article html file updated | 1 March 2019 14:14 CET | Update | - |
| article html file updated | 1 March 2019 04:43 CET | Update | - |
| article html file updated | 22 February 2019 03:20 CET | Original file | - |
| article pdf uploaded. | 22 February 2019 03:17 CET | Updated version of record | https://www.mdpi.com/1996-1073/12/4/660/pdf |
| article xml uploaded. | 22 February 2019 03:17 CET | Update | https://www.mdpi.com/1996-1073/12/4/660/xml |
| article xml file uploaded | 22 February 2019 03:17 CET | Update | - |
| article pdf uploaded. | 18 February 2019 14:37 CET | Version of Record | https://www.mdpi.com/1996-1073/12/4/660/pdf-vor |
| article xml file uploaded | 18 February 2019 14:37 CET | Original file | - |
