| article html file updated | 15 August 2026 00:54 CEST | Update | https://www.mdpi.com/1424-8220/18/4/1301 |
| article html file updated | 30 August 2025 03:38 CEST | Update | N/A |
| article html file updated | 16 July 2022 10:57 CEST | Update | N/A |
| article html file updated | 9 February 2020 14:59 CET | Update | N/A |
| article html file updated | 2 October 2019 21:40 CEST | Update | N/A |
| article html file updated | 17 April 2019 01:50 CEST | Update | N/A |
| article html file updated | 29 March 2019 18:23 CET | Update | N/A |
| article html file updated | 7 May 2018 05:32 CEST | Update | N/A |
| article html file updated | 23 April 2018 16:03 CEST | Original file | N/A |
| article pdf uploaded. | 23 April 2018 16:01 CEST | Version of Record | https://www.mdpi.com/1424-8220/18/4/1301/pdf |
| article xml uploaded. | 23 April 2018 16:01 CEST | Update | https://www.mdpi.com/1424-8220/18/4/1301/xml |
| article xml file uploaded | 23 April 2018 16:01 CEST | Original file | N/A |
