| article html file updated | 30 August 2025 03:24 CEST | Update | https://www.mdpi.com/2073-4360/10/4/420 |
| article html file updated | 21 August 2025 19:55 CEST | Update | - |
| article html file updated | 9 February 2020 13:04 CET | Update | - |
| article html file updated | 2 October 2019 10:17 CEST | Update | - |
| article html file updated | 1 May 2019 04:57 CEST | Update | - |
| article html file updated | 17 April 2019 05:12 CEST | Update | - |
| article html file updated | 29 March 2019 13:58 CET | Update | - |
| article html file updated | 1 May 2018 14:03 CEST | Update | - |
| article html file updated | 9 April 2018 13:07 CEST | Original file | - |
| article xml uploaded. | 9 April 2018 13:06 CEST | Update | https://www.mdpi.com/2073-4360/10/4/420/xml |
| article pdf uploaded. | 9 April 2018 13:06 CEST | Version of Record | https://www.mdpi.com/2073-4360/10/4/420/pdf |
