| article html file updated | 10 February 2020 22:22 CET | Update | https://www.mdpi.com/2305-7084/2/4/57 |
| article html file updated | 10 October 2019 17:47 CEST | Update | - |
| article html file updated | 28 April 2019 05:45 CEST | Update | - |
| article html file updated | 14 April 2019 01:46 CEST | Update | - |
| article html file updated | 1 April 2019 23:48 CEST | Update | - |
| article html file updated | 20 November 2018 12:19 CET | Original file | - |
| article pdf uploaded. | 20 November 2018 12:18 CET | Version of Record | https://www.mdpi.com/2305-7084/2/4/57/pdf |
| article xml uploaded. | 20 November 2018 12:18 CET | Update | https://www.mdpi.com/2305-7084/2/4/57/xml |
| article xml file uploaded | 20 November 2018 12:18 CET | Original file | - |
