| article html file updated | 29 August 2025 23:13 CEST | Update | https://www.mdpi.com/1424-8220/16/6/874 |
| article html file updated | 16 July 2022 02:37 CEST | Update | - |
| article html file updated | 7 February 2020 10:07 CET | Update | - |
| article html file updated | 5 May 2019 13:02 CEST | Update | - |
| article html file updated | 27 March 2019 07:23 CET | Update | - |
| article html file updated | 29 June 2016 10:48 CEST | Update | - |
| article html file updated | 14 June 2016 22:46 CEST | Original file | - |
| article xml uploaded. | 14 June 2016 09:29 CEST | Original file | https://www.mdpi.com/1424-8220/16/6/874/xml |
| article pdf uploaded. | 14 June 2016 09:29 CEST | Version of Record | https://www.mdpi.com/1424-8220/16/6/874/pdf |
