| article html file updated | 13 February 2020 15:14 CET | Update | https://www.mdpi.com/2227-9067/6/9/98 |
| article html file updated | 25 September 2019 23:03 CEST | Update | - |
| article html file updated | 6 September 2019 07:19 CEST | Original file | - |
| article pdf uploaded. | 6 September 2019 07:18 CEST | Updated version of record | https://www.mdpi.com/2227-9067/6/9/98/pdf |
| article xml uploaded. | 6 September 2019 07:18 CEST | Update | https://www.mdpi.com/2227-9067/6/9/98/xml |
| article xml file uploaded | 6 September 2019 07:18 CEST | Update | - |
| article pdf uploaded. | 4 September 2019 17:32 CEST | Version of Record | https://www.mdpi.com/2227-9067/6/9/98/pdf-vor |
| article xml file uploaded | 4 September 2019 17:32 CEST | Original file | - |
