| article html file updated | 30 August 2025 21:11 CEST | Update | https://www.mdpi.com/1999-4907/10/6/509 |
| article html file updated | 20 July 2022 15:32 CEST | Update | - |
| article html file updated | 12 February 2020 19:54 CET | Update | - |
| article html file updated | 21 October 2019 22:50 CEST | Update | - |
| article html file updated | 5 July 2019 19:52 CEST | Update | - |
| article html file updated | 5 July 2019 13:46 CEST | Update | - |
| article html file updated | 5 July 2019 13:12 CEST | Update | - |
| article html file updated | 15 June 2019 07:52 CEST | Original file | - |
| article pdf uploaded. | 15 June 2019 07:51 CEST | Version of Record | https://www.mdpi.com/1999-4907/10/6/509/pdf |
| article xml uploaded. | 15 June 2019 07:51 CEST | Update | https://www.mdpi.com/1999-4907/10/6/509/xml |
| article xml file uploaded | 15 June 2019 07:51 CEST | Original file | - |
