| article html file updated | 11 February 2020 18:17 CET | Update | https://www.mdpi.com/1996-1073/12/4/756 |
| article html file updated | 15 October 2019 13:58 CEST | Update | - |
| article html file updated | 26 April 2019 11:57 CEST | Update | - |
| article html file updated | 12 April 2019 07:26 CEST | Update | - |
| article html file updated | 4 April 2019 02:45 CEST | Update | - |
| article html file updated | 1 March 2019 17:47 CET | Update | - |
| article html file updated | 1 March 2019 11:53 CET | Update | - |
| article html file updated | 26 February 2019 03:09 CET | Original file | - |
| article pdf uploaded. | 25 February 2019 10:03 CET | Updated version of record | https://www.mdpi.com/1996-1073/12/4/756/pdf |
| article xml uploaded. | 25 February 2019 10:03 CET | Update | https://www.mdpi.com/1996-1073/12/4/756/xml |
| article xml file uploaded | 25 February 2019 10:03 CET | Update | - |
| article pdf uploaded. | 24 February 2019 12:27 CET | Version of Record | https://www.mdpi.com/1996-1073/12/4/756/pdf-vor |
| article xml file uploaded | 24 February 2019 12:27 CET | Original file | - |
