| article html file updated | 30 August 2025 00:05 CEST | Update | https://www.mdpi.com/2076-3263/6/4/57 |
| article html file updated | 16 July 2022 04:13 CEST | Update | - |
| article html file updated | 7 February 2020 19:55 CET | Update | - |
| article html file updated | 22 September 2019 13:07 CEST | Update | - |
| article html file updated | 4 May 2019 18:36 CEST | Update | - |
| article html file updated | 19 December 2016 12:50 CET | Original file | - |
| article xml uploaded. | 19 December 2016 12:49 CET | Update | https://www.mdpi.com/2076-3263/6/4/57/xml |
| article xml uploaded. | 19 December 2016 12:49 CET | Original file | - |
| article pdf uploaded. | 19 December 2016 12:49 CET | Version of Record | https://www.mdpi.com/2076-3263/6/4/57/pdf |
