| article html file updated | 14 August 2026 17:38 CEST | Update | https://www.mdpi.com/1422-0067/18/9/2003 |
| article html file updated | 30 August 2025 01:14 CEST | Update | N/A |
| article html file updated | 16 July 2022 06:25 CEST | Update | N/A |
| article html file updated | 8 February 2020 16:38 CET | Update | N/A |
| article html file updated | 27 September 2019 06:05 CEST | Update | N/A |
| article html file updated | 3 May 2019 01:08 CEST | Update | N/A |
| article html file updated | 30 September 2017 12:27 CEST | Update | N/A |
| article html file updated | 20 September 2017 06:25 CEST | Original file | N/A |
| article xml uploaded. | 20 September 2017 06:24 CEST | Original file | https://www.mdpi.com/1422-0067/18/9/2003/xml |
| article pdf uploaded. | 20 September 2017 06:24 CEST | Version of Record | https://www.mdpi.com/1422-0067/18/9/2003/pdf |
