| article html file updated | 29 August 2025 22:22 CEST | Update | https://www.mdpi.com/1999-4907/6/11/4168 |
| article html file updated | 16 July 2022 01:16 CEST | Update | - |
| article html file updated | 7 February 2020 01:05 CET | Update | - |
| article html file updated | 6 May 2019 06:59 CEST | Update | - |
| article html file updated | 26 March 2019 14:49 CET | Original file | - |
| article pdf uploaded. | 23 November 2015 03:39 CET | Updated version of record | https://www.mdpi.com/1999-4907/6/11/4168/pdf |
| article pdf uploaded. | 18 November 2015 09:27 CET | Version of Record | https://www.mdpi.com/1999-4907/6/11/4168/pdf-vor |
| article xml uploaded. | 18 November 2015 09:27 CET | Original file | https://www.mdpi.com/1999-4907/6/11/4168/xml |
