| article html file updated | 15 February 2020 01:41 CET | Update | https://www.mdpi.com/2076-0787/9/1/8 |
| article html file updated | 13 January 2020 05:55 CET | Update | - |
| article pdf uploaded. | 13 January 2020 05:54 CET | Updated version of record | https://www.mdpi.com/2076-0787/9/1/8/pdf |
| article xml uploaded. | 13 January 2020 05:54 CET | Update | https://www.mdpi.com/2076-0787/9/1/8/xml |
| article xml file uploaded | 13 January 2020 05:54 CET | Update | - |
| article html file updated | 10 January 2020 09:40 CET | Original file | - |
| article pdf uploaded. | 10 January 2020 09:39 CET | Version of Record | https://www.mdpi.com/2076-0787/9/1/8/pdf-vor |
| article xml uploaded. | 10 January 2020 09:39 CET | Update | - |
| article xml file uploaded | 10 January 2020 09:39 CET | Original file | - |
