| article html file updated | 15 February 2020 03:59 CET | Update | https://new.mdpi.com/2313-433X/6/1/3 |
| article html file updated | 7 February 2020 01:16 CET | Update | - |
| article html file updated | 17 January 2020 18:06 CET | Original file | - |
| article pdf uploaded. | 17 January 2020 18:05 CET | Updated version of record | https://new.mdpi.com/2313-433X/6/1/3/pdf |
| article pdf uploaded. | 17 January 2020 18:05 CET | Version of Record | - |
| article xml uploaded. | 17 January 2020 18:05 CET | Update | https://new.mdpi.com/2313-433X/6/1/3/xml |
| article xml file uploaded | 17 January 2020 18:05 CET | Original file | - |
