| article html file updated | 12 February 2020 10:33 CET | Update | https://www.mdpi.com/2227-7099/7/2/39 |
| article html file updated | 19 October 2019 16:50 CEST | Update | N/A |
| article html file updated | 5 July 2019 10:39 CEST | Update | N/A |
| article html file updated | 5 July 2019 09:00 CEST | Update | N/A |
| article html file updated | 3 June 2019 10:42 CEST | Original file | N/A |
| article pdf uploaded. | 3 June 2019 10:41 CEST | Updated version of record | https://www.mdpi.com/2227-7099/7/2/39/pdf |
| article xml uploaded. | 3 June 2019 10:41 CEST | Update | https://www.mdpi.com/2227-7099/7/2/39/xml |
| article xml file uploaded | 3 June 2019 10:41 CEST | Update | N/A |
| article pdf uploaded. | 7 May 2019 14:20 CEST | Version of Record | https://www.mdpi.com/2227-7099/7/2/39/pdf-vor |
| article xml file uploaded | 7 May 2019 14:20 CEST | Original file | N/A |
