| article html file updated | 12 February 2020 20:19 CET | Update | https://www.mdpi.com/2227-7099/7/2/56 |
| article html file updated | 22 October 2019 01:18 CEST | Update | - |
| article html file updated | 5 July 2019 14:00 CEST | Update | - |
| article html file updated | 5 July 2019 10:43 CEST | Update | - |
| article html file updated | 22 June 2019 03:24 CEST | Original file | - |
| article pdf uploaded. | 22 June 2019 03:23 CEST | Updated version of record | https://www.mdpi.com/2227-7099/7/2/56/pdf |
| article xml uploaded. | 22 June 2019 03:23 CEST | Update | https://www.mdpi.com/2227-7099/7/2/56/xml |
| article xml file uploaded | 22 June 2019 03:23 CEST | Update | - |
| article pdf uploaded. | 17 June 2019 16:47 CEST | Version of Record | https://www.mdpi.com/2227-7099/7/2/56/pdf-vor |
| article xml file uploaded | 17 June 2019 16:47 CEST | Original file | - |
