| article html file updated | 12 February 2020 02:35 CET | Update | https://www.mdpi.com/2227-7099/7/2/30 |
| article html file updated | 17 October 2019 15:50 CEST | Update | - |
| article html file updated | 5 July 2019 08:37 CEST | Update | - |
| article html file updated | 5 July 2019 08:13 CEST | Update | - |
| article html file updated | 9 May 2019 18:54 CEST | Original file | - |
| article pdf uploaded. | 9 May 2019 12:07 CEST | Updated version of record | https://www.mdpi.com/2227-7099/7/2/30/pdf |
| article xml uploaded. | 9 May 2019 12:07 CEST | Update | https://www.mdpi.com/2227-7099/7/2/30/xml |
| article xml file uploaded | 9 May 2019 12:07 CEST | Update | - |
| article pdf uploaded. | 2 April 2019 17:17 CEST | Version of Record | https://www.mdpi.com/2227-7099/7/2/30/pdf-vor |
| article xml file uploaded | 2 April 2019 17:17 CEST | Original file | - |
