| article html file updated | 2 April 2020 08:55 CEST | Update | https://www.mdpi.com/2227-7072/8/1/3 |
| article html file updated | 15 February 2020 03:37 CET | Update | - |
| article html file updated | 23 January 2020 12:57 CET | Original file | - |
| article pdf uploaded. | 23 January 2020 12:56 CET | Updated version of record | https://www.mdpi.com/2227-7072/8/1/3/pdf |
| article xml uploaded. | 23 January 2020 12:56 CET | Update | https://www.mdpi.com/2227-7072/8/1/3/xml |
| article xml file uploaded | 23 January 2020 12:56 CET | Update | - |
| article pdf uploaded. | 16 January 2020 15:31 CET | Updated version of record | https://www.mdpi.com/2227-7072/8/1/3/pdf-vor |
| article pdf uploaded. | 16 January 2020 15:30 CET | Version of Record | https://www.mdpi.com/2227-7072/8/1/3/pdf-vor |
| article xml file uploaded | 16 January 2020 15:30 CET | Original file | - |
