| article html file updated | 29 August 2025 21:11 CEST | Update | https://www.mdpi.com/2227-7382/2/3/399 |
| article html file updated | 15 July 2022 23:17 CEST | Update | N/A |
| article html file updated | 6 February 2020 11:16 CET | Update | N/A |
| article html file updated | 7 May 2019 10:20 CEST | Update | N/A |
| article html file updated | 21 March 2019 22:32 CET | Update | N/A |
| article html file updated | 16 February 2017 07:00 CET | Update | N/A |
| article html file updated | 20 August 2015 14:38 CEST | Original file | N/A |
| article pdf uploaded. | 6 August 2014 15:31 CEST | Version of Record | https://www.mdpi.com/2227-7382/2/3/399/pdf |
