| article html file updated | 29 August 2025 22:18 CEST | Update | https://www.mdpi.com/2306-5338/2/4/230 |
| article html file updated | 16 July 2022 01:11 CEST | Update | - |
| article html file updated | 7 February 2020 00:34 CET | Update | - |
| article html file updated | 6 May 2019 07:44 CEST | Update | - |
| article html file updated | 26 March 2019 14:04 CET | Original file | - |
| article pdf uploaded. | 4 November 2015 14:32 CET | Version of Record | https://www.mdpi.com/2306-5338/2/4/230/pdf |
