| article html file updated | 29 August 2025 22:24 CEST | Update | https://www.mdpi.com/2075-4418/5/4/497 |
| article html file updated | 16 July 2022 01:19 CEST | Update | - |
| article html file updated | 7 February 2020 01:22 CET | Original file | - |
| article pdf uploaded. | 25 November 2015 14:00 CET | Version of Record | https://www.mdpi.com/2075-4418/5/4/497/pdf |
| article xml uploaded. | 25 November 2015 14:00 CET | Original file | https://www.mdpi.com/2075-4418/5/4/497/xml |
