| article html file updated | 12 February 2020 04:22 CET | Update | https://www.mdpi.com/2076-0787/8/2/73 |
| article html file updated | 16 May 2019 12:03 CEST | Original file | N/A |
| article pdf uploaded. | 16 May 2019 12:02 CEST | Updated version of record | https://www.mdpi.com/2076-0787/8/2/73/pdf |
| article xml uploaded. | 16 May 2019 12:02 CEST | Update | https://www.mdpi.com/2076-0787/8/2/73/xml |
| article xml file uploaded | 16 May 2019 12:02 CEST | Update | N/A |
| article pdf uploaded. | 10 April 2019 14:34 CEST | Version of Record | https://www.mdpi.com/2076-0787/8/2/73/pdf-vor |
| article xml file uploaded | 10 April 2019 14:34 CEST | Original file | N/A |
