| article html file updated | 11 February 2020 16:07 CET | Update | https://www.mdpi.com/2075-4701/9/2/231 |
| article html file updated | 15 October 2019 00:20 CEST | Update | - |
| article html file updated | 26 April 2019 16:38 CEST | Update | - |
| article html file updated | 12 April 2019 12:27 CEST | Update | - |
| article html file updated | 3 April 2019 20:41 CEST | Update | - |
| article html file updated | 1 March 2019 00:44 CET | Update | - |
| article html file updated | 20 February 2019 06:23 CET | Original file | - |
| article pdf uploaded. | 19 February 2019 12:31 CET | Updated version of record | https://www.mdpi.com/2075-4701/9/2/231/pdf |
| article xml uploaded. | 19 February 2019 12:31 CET | Update | https://www.mdpi.com/2075-4701/9/2/231/xml |
| article xml file uploaded | 19 February 2019 12:31 CET | Update | - |
| article pdf uploaded. | 14 February 2019 17:01 CET | Version of Record | https://www.mdpi.com/2075-4701/9/2/231/pdf-vor |
| article xml file uploaded | 14 February 2019 17:01 CET | Original file | - |
