| article html file updated | 30 August 2025 00:07 CEST | Update | https://www.mdpi.com/2073-4425/8/1/8 |
| article html file updated | 16 July 2022 04:17 CEST | Update | N/A |
| article html file updated | 7 February 2020 20:18 CET | Update | N/A |
| article html file updated | 22 September 2019 15:12 CEST | Update | N/A |
| article html file updated | 4 May 2019 17:49 CEST | Update | N/A |
| article html file updated | 7 February 2017 12:17 CET | Update | N/A |
| article html file updated | 26 December 2016 09:52 CET | Original file | N/A |
| article xml uploaded. | 26 December 2016 09:51 CET | Original file | https://www.mdpi.com/2073-4425/8/1/8/xml |
| article pdf uploaded. | 26 December 2016 09:51 CET | Version of Record | https://www.mdpi.com/2073-4425/8/1/8/pdf |
