| article html file updated | 12 February 2020 21:27 CET | Update | https://www.mdpi.com/1999-4907/10/6/521 |
| article html file updated | 22 October 2019 08:02 CEST | Update | N/A |
| article html file updated | 5 July 2019 19:55 CEST | Update | N/A |
| article html file updated | 5 July 2019 14:37 CEST | Update | N/A |
| article html file updated | 5 July 2019 13:18 CEST | Update | N/A |
| article html file updated | 22 June 2019 08:13 CEST | Original file | N/A |
| article pdf uploaded. | 22 June 2019 08:12 CEST | Version of Record | https://www.mdpi.com/1999-4907/10/6/521/pdf |
| article xml uploaded. | 22 June 2019 08:12 CEST | Update | https://www.mdpi.com/1999-4907/10/6/521/xml |
| article xml file uploaded | 22 June 2019 08:12 CEST | Original file | N/A |