| article html file updated | 29 August 2025 22:42 CEST | Update | https://new.mdpi.com/2077-1444/7/2/18 |
| article html file updated | 16 July 2022 01:46 CEST | Update | - |
| article html file updated | 7 February 2020 04:35 CET | Update | - |
| article html file updated | 21 September 2019 11:21 CEST | Update | - |
| article html file updated | 6 May 2019 00:18 CEST | Update | - |
| article html file updated | 26 March 2019 20:46 CET | Original file | - |
| article pdf uploaded. | 16 February 2016 15:20 CET | Version of Record | https://new.mdpi.com/2077-1444/7/2/18/pdf |
| article xml uploaded. | 16 February 2016 15:20 CET | Original file | https://new.mdpi.com/2077-1444/7/2/18/xml |
