| article html file updated | 30 August 2025 00:17 CEST | Update | https://www.mdpi.com/2071-1050/9/2/174 |
| article html file updated | 16 July 2022 04:39 CEST | Update | - |
| article html file updated | 7 February 2020 22:14 CET | Update | - |
| article html file updated | 23 September 2019 01:33 CEST | Update | - |
| article html file updated | 4 May 2019 13:36 CEST | Update | - |
| article html file updated | 1 March 2017 10:23 CET | Update | - |
| article html file updated | 25 January 2017 11:03 CET | Original file | - |
| article xml uploaded. | 25 January 2017 11:02 CET | Original file | https://www.mdpi.com/2071-1050/9/2/174/xml |
| article pdf uploaded. | 25 January 2017 11:02 CET | Version of Record | https://www.mdpi.com/2071-1050/9/2/174/pdf |
