| article html file updated | 30 August 2025 00:23 CEST | Update | https://new.mdpi.com/2073-4425/8/2/70 |
| article html file updated | 16 July 2022 04:50 CEST | Update | - |
| article html file updated | 7 February 2020 23:11 CET | Update | - |
| article html file updated | 23 September 2019 06:49 CEST | Update | - |
| article html file updated | 4 May 2019 11:39 CEST | Update | - |
| article html file updated | 2 March 2017 10:43 CET | Update | - |
| article html file updated | 11 February 2017 10:19 CET | Original file | - |
| article xml uploaded. | 11 February 2017 10:18 CET | Original file | https://new.mdpi.com/2073-4425/8/2/70/xml |
| article pdf uploaded. | 11 February 2017 10:18 CET | Version of Record | https://new.mdpi.com/2073-4425/8/2/70/pdf |
