| article html file updated | 14 August 2026 17:12 CEST | Update | https://www.mdpi.com/1422-0067/18/9/1891 |
| article html file updated | 30 August 2025 01:06 CEST | Update | N/A |
| article html file updated | 16 July 2022 06:09 CEST | Update | N/A |
| article html file updated | 8 February 2020 15:10 CET | Update | N/A |
| article html file updated | 26 September 2019 21:59 CEST | Update | N/A |
| article html file updated | 3 May 2019 03:52 CEST | Update | N/A |
| article html file updated | 30 September 2017 12:12 CEST | Update | N/A |
| article html file updated | 2 September 2017 09:31 CEST | Original file | N/A |
| article xml uploaded. | 2 September 2017 09:30 CEST | Original file | https://www.mdpi.com/1422-0067/18/9/1891/xml |
| article pdf uploaded. | 2 September 2017 09:30 CEST | Version of Record | https://www.mdpi.com/1422-0067/18/9/1891/pdf |
