| article html file updated | 29 August 2025 22:23 CEST | Update | https://www.mdpi.com/2073-4344/5/4/2018 |
| article html file updated | 16 July 2022 01:19 CEST | Update | N/A |
| article html file updated | 7 February 2020 01:20 CET | Update | N/A |
| article html file updated | 9 January 2020 14:48 CET | Original file | N/A |
| article pdf uploaded. | 24 November 2015 14:19 CET | Version of Record | https://www.mdpi.com/2073-4344/5/4/2018/pdf |
| article xml uploaded. | 24 November 2015 14:19 CET | Original file | https://www.mdpi.com/2073-4344/5/4/2018/xml |
