| article html file updated | 29 August 2025 22:21 CEST | Update | https://www.mdpi.com/2078-1547/6/2/244 |
| article html file updated | 16 July 2022 01:15 CEST | Update | - |
| article html file updated | 7 February 2020 00:58 CET | Original file | - |
| article pdf uploaded. | 13 November 2015 16:07 CET | Version of Record | https://www.mdpi.com/2078-1547/6/2/244/pdf |
| article xml uploaded. | 13 November 2015 16:07 CET | Original file | https://www.mdpi.com/2078-1547/6/2/244/xml |
