| article html file updated | 16 August 2026 18:59 CEST | Update | https://www.mdpi.com/1999-4923/11/12/621 |
| article html file updated | 14 February 2020 11:33 CET | Update | N/A |
| article html file updated | 19 January 2020 06:42 CET | Update | N/A |
| article html file updated | 30 December 2019 23:01 CET | Update | N/A |
| article html file updated | 12 December 2019 11:50 CET | Original file | N/A |
| article pdf uploaded. | 12 December 2019 11:48 CET | Updated version of record | https://www.mdpi.com/1999-4923/11/12/621/pdf |
| article xml uploaded. | 12 December 2019 11:48 CET | Update | https://www.mdpi.com/1999-4923/11/12/621/xml |
| article xml file uploaded | 12 December 2019 11:48 CET | Update | N/A |
| article pdf uploaded. | 20 November 2019 16:08 CET | Version of Record | https://www.mdpi.com/1999-4923/11/12/621/pdf-vor |
| article xml file uploaded | 20 November 2019 16:08 CET | Original file | N/A |
