| article html file updated | 11 February 2020 14:23 CET | Update | https://www.mdpi.com/2077-1312/7/2/39 |
| article html file updated | 14 October 2019 15:04 CEST | Update | - |
| article html file updated | 26 April 2019 20:00 CEST | Update | - |
| article html file updated | 12 April 2019 15:51 CEST | Update | - |
| article html file updated | 3 April 2019 16:36 CEST | Update | - |
| article html file updated | 4 March 2019 13:15 CET | Update | - |
| article html file updated | 28 February 2019 16:52 CET | Update | - |
| article html file updated | 19 February 2019 10:40 CET | Original file | - |
| article pdf uploaded. | 19 February 2019 10:38 CET | Updated version of record | https://www.mdpi.com/2077-1312/7/2/39/pdf |
| article xml uploaded. | 19 February 2019 10:38 CET | Update | https://www.mdpi.com/2077-1312/7/2/39/xml |
| article xml file uploaded | 19 February 2019 10:38 CET | Update | - |
| article pdf uploaded. | 7 February 2019 12:47 CET | Version of Record | https://www.mdpi.com/2077-1312/7/2/39/pdf-vor |
| article xml file uploaded | 7 February 2019 12:47 CET | Original file | - |
