| article html file updated | 12 February 2020 19:44 CET | Update | https://www.mdpi.com/2078-1547/10/1/31 |
| article html file updated | 14 June 2019 12:14 CEST | Original file | - |
| article pdf uploaded. | 14 June 2019 12:13 CEST | Version of Record | https://www.mdpi.com/2078-1547/10/1/31/pdf |
| article xml uploaded. | 14 June 2019 12:13 CEST | Update | https://www.mdpi.com/2078-1547/10/1/31/xml |
| article xml file uploaded | 14 June 2019 12:13 CEST | Original file | - |
