| article html file updated | 13 February 2020 14:34 CET | Update | https://www.mdpi.com/2227-9067/6/9/97 |
| article html file updated | 25 September 2019 23:03 CEST | Update | - |
| article html file updated | 9 September 2019 11:22 CEST | Original file | - |
| article pdf uploaded. | 9 September 2019 11:21 CEST | Updated version of record | https://www.mdpi.com/2227-9067/6/9/97/pdf |
| article xml uploaded. | 9 September 2019 11:21 CEST | Update | https://www.mdpi.com/2227-9067/6/9/97/xml |
| article xml file uploaded | 9 September 2019 11:21 CEST | Update | - |
| article pdf uploaded. | 2 September 2019 15:51 CEST | Version of Record | https://www.mdpi.com/2227-9067/6/9/97/pdf-vor |
| article xml file uploaded | 2 September 2019 15:51 CEST | Original file | - |
