| article html file updated | 30 August 2025 01:08 CEST | Update | https://www.mdpi.com/1422-0067/18/9/1931 |
| article html file updated | 16 July 2022 06:14 CEST | Update | - |
| article html file updated | 8 February 2020 15:38 CET | Update | - |
| article html file updated | 27 September 2019 00:27 CEST | Update | - |
| article html file updated | 3 May 2019 03:00 CEST | Update | - |
| article html file updated | 30 September 2017 12:18 CEST | Update | - |
| article html file updated | 8 September 2017 08:32 CEST | Original file | - |
| article xml uploaded. | 8 September 2017 08:31 CEST | Original file | https://www.mdpi.com/1422-0067/18/9/1931/xml |
| article pdf uploaded. | 8 September 2017 08:31 CEST | Version of Record | https://www.mdpi.com/1422-0067/18/9/1931/pdf |
