| article html file updated | 12 February 2020 19:29 CET | Update | https://www.mdpi.com/1999-4907/10/6/503 |
| article html file updated | 21 October 2019 20:13 CEST | Update | - |
| article html file updated | 5 July 2019 19:50 CEST | Update | - |
| article html file updated | 5 July 2019 13:30 CEST | Update | - |
| article html file updated | 5 July 2019 13:08 CEST | Update | - |
| article html file updated | 13 June 2019 13:15 CEST | Original file | - |
| article pdf uploaded. | 13 June 2019 13:14 CEST | Version of Record | https://www.mdpi.com/1999-4907/10/6/503/pdf |
| article xml uploaded. | 13 June 2019 13:14 CEST | Update | https://www.mdpi.com/1999-4907/10/6/503/xml |
| article xml file uploaded | 13 June 2019 13:14 CEST | Original file | - |
