| article html file updated | 15 February 2020 04:29 CET | Update | https://new.mdpi.com/2305-6320/7/1/6 |
| article html file updated | 7 February 2020 11:14 CET | Update | - |
| article html file updated | 22 January 2020 06:40 CET | Update | - |
| article xml uploaded. | 22 January 2020 06:39 CET | Update | https://new.mdpi.com/2305-6320/7/1/6/xml |
| article pdf uploaded. | 22 January 2020 06:39 CET | Updated version of record | https://new.mdpi.com/2305-6320/7/1/6/pdf |
| article html file updated | 19 January 2020 12:55 CET | Original file | - |
| article pdf uploaded. | 19 January 2020 12:54 CET | Version of Record | - |
| article xml uploaded. | 19 January 2020 12:54 CET | Update | - |
| article xml file uploaded | 19 January 2020 12:54 CET | Original file | - |
