| article html file updated | 7 March 2020 09:35 CET | Update | https://www.mdpi.com/1999-4907/11/2/220 |
| article html file updated | 7 March 2020 05:00 CET | Update | - |
| article html file updated | 1 March 2020 07:59 CET | Original file | - |
| article pdf uploaded. | 1 March 2020 07:57 CET | Updated version of record | https://www.mdpi.com/1999-4907/11/2/220/pdf |
| article xml uploaded. | 1 March 2020 07:57 CET | Update | https://www.mdpi.com/1999-4907/11/2/220/xml |
| article xml file uploaded | 1 March 2020 07:57 CET | Update | - |
| article pdf uploaded. | 14 February 2020 14:56 CET | Version of Record | https://www.mdpi.com/1999-4907/11/2/220/pdf-vor |
| article xml file uploaded | 14 February 2020 14:56 CET | Original file | - |
