| article html file updated | 13 February 2020 19:39 CET | Update | https://www.mdpi.com/2076-0787/8/4/154 |
| article html file updated | 23 September 2019 12:27 CEST | Original file | - |
| article pdf uploaded. | 23 September 2019 12:26 CEST | Version of Record | https://www.mdpi.com/2076-0787/8/4/154/pdf |
| article xml uploaded. | 23 September 2019 12:26 CEST | Update | https://www.mdpi.com/2076-0787/8/4/154/xml |
| article xml file uploaded | 23 September 2019 12:26 CEST | Original file | - |
