| article html file updated | 30 August 2025 01:12 CEST | Update | https://www.mdpi.com/1422-0067/18/9/1978 |
| article html file updated | 21 August 2025 19:23 CEST | Update | - |
| article html file updated | 16 July 2022 06:21 CEST | Update | - |
| article html file updated | 8 February 2020 16:16 CET | Update | - |
| article html file updated | 27 September 2019 03:57 CEST | Update | - |
| article html file updated | 3 May 2019 01:50 CEST | Update | - |
| article html file updated | 30 September 2017 12:24 CEST | Update | - |
| article html file updated | 15 September 2017 12:04 CEST | Original file | - |
| article xml uploaded. | 15 September 2017 12:02 CEST | Update | https://www.mdpi.com/1422-0067/18/9/1978/xml |
| article xml uploaded. | 15 September 2017 12:02 CEST | Original file | - |
| article pdf uploaded. | 15 September 2017 12:02 CEST | Version of Record | https://www.mdpi.com/1422-0067/18/9/1978/pdf |