| article html file updated | 30 August 2025 00:39 CEST | Update | https://www.mdpi.com/2071-1050/9/3/448 |
| article html file updated | 16 July 2022 05:21 CEST | Update | - |
| article html file updated | 8 February 2020 01:45 CET | Update | - |
| article html file updated | 23 September 2019 21:24 CEST | Update | - |
| article html file updated | 4 May 2019 06:05 CEST | Update | - |
| article html file updated | 28 March 2017 06:15 CEST | Update | - |
| article html file updated | 18 March 2017 11:25 CET | Original file | - |
| article xml uploaded. | 18 March 2017 11:24 CET | Original file | https://www.mdpi.com/2071-1050/9/3/448/xml |
| article pdf uploaded. | 18 March 2017 11:24 CET | Version of Record | https://www.mdpi.com/2071-1050/9/3/448/pdf |
