| article html file updated | 12 February 2020 13:36 CET | Update | https://www.mdpi.com/2076-0787/8/2/99 |
| article html file updated | 19 May 2019 11:57 CEST | Original file | - |
| article pdf uploaded. | 19 May 2019 11:55 CEST | Version of Record | https://www.mdpi.com/2076-0787/8/2/99/pdf |
| article xml uploaded. | 19 May 2019 11:55 CEST | Update | https://www.mdpi.com/2076-0787/8/2/99/xml |
| article xml file uploaded | 19 May 2019 11:55 CEST | Original file | - |
