| article html file updated | 29 August 2025 22:21 CEST | Update | https://www.mdpi.com/2227-9032/3/4/1174 |
| article html file updated | 20 August 2025 22:06 CEST | Update | - |
| article html file updated | 16 July 2022 01:16 CEST | Update | - |
| article html file updated | 7 February 2020 01:00 CET | Update | - |
| article html file updated | 9 January 2020 14:36 CET | Update | - |
| article html file updated | 18 May 2016 05:51 CEST | Original file | - |
| article pdf uploaded. | 25 November 2015 09:42 CET | Updated version of record | https://www.mdpi.com/2227-9032/3/4/1174/pdf |
| article pdf uploaded. | 16 November 2015 12:56 CET | Version of Record | https://www.mdpi.com/2227-9032/3/4/1174/pdf-vor |
| article xml uploaded. | 16 November 2015 12:56 CET | Original file | https://www.mdpi.com/2227-9032/3/4/1174/xml |
