| article html file updated | 30 August 2025 03:15 CEST | Update | https://www.mdpi.com/2076-3425/8/4/56 |
| article html file updated | 16 July 2022 10:21 CEST | Update | - |
| article html file updated | 9 February 2020 11:52 CET | Update | - |
| article html file updated | 2 October 2019 03:06 CEST | Update | - |
| article html file updated | 1 May 2019 07:24 CEST | Update | - |
| article html file updated | 17 April 2019 07:24 CEST | Update | - |
| article html file updated | 29 March 2019 11:14 CET | Update | - |
| article html file updated | 1 May 2018 11:42 CEST | Update | - |
| article html file updated | 30 March 2018 07:19 CEST | Original file | - |
| article pdf uploaded. | 30 March 2018 07:18 CEST | Version of Record | https://www.mdpi.com/2076-3425/8/4/56/pdf |
| article xml uploaded. | 30 March 2018 07:18 CEST | Update | https://www.mdpi.com/2076-3425/8/4/56/xml |
| article xml file uploaded | 30 March 2018 07:18 CEST | Original file | - |
