| article html file updated | 11 February 2020 12:39 CET | Update | https://www.mdpi.com/2076-2607/7/2/39 |
| article html file updated | 14 October 2019 05:00 CEST | Update | N/A |
| article html file updated | 26 April 2019 23:16 CEST | Update | N/A |
| article html file updated | 12 April 2019 19:08 CEST | Update | N/A |
| article html file updated | 3 April 2019 12:26 CEST | Update | N/A |
| article html file updated | 30 January 2019 14:47 CET | Original file | N/A |
| article pdf uploaded. | 30 January 2019 14:45 CET | Version of Record | https://www.mdpi.com/2076-2607/7/2/39/pdf |
| article xml uploaded. | 30 January 2019 14:45 CET | Update | https://www.mdpi.com/2076-2607/7/2/39/xml |
| article xml file uploaded | 30 January 2019 14:45 CET | Original file | N/A |
