| article html file updated | 13 August 2026 03:49 CEST | Update | https://www.mdpi.com/1422-0067/15/9/15858 |
| article html file updated | 29 August 2025 21:14 CEST | Update | N/A |
| article html file updated | 15 July 2022 23:22 CEST | Update | N/A |
| article html file updated | 6 February 2020 12:04 CET | Update | N/A |
| article html file updated | 7 May 2019 08:37 CEST | Update | N/A |
| article html file updated | 22 March 2019 00:29 CET | Update | N/A |
| article html file updated | 20 August 2015 17:52 CEST | Update | N/A |
| article html file updated | 19 October 2014 16:00 CEST | Update | N/A |
| article xml file uploaded | 19 October 2014 16:00 CEST | Update | https://www.mdpi.com/1422-0067/15/9/15858/xml |
| article html file updated | 30 September 2014 08:08 CEST | Original file | N/A |
| article xml file uploaded | 30 September 2014 08:08 CEST | Original file | N/A |
| article pdf uploaded. | 10 September 2014 15:25 CEST | Updated version of record | https://www.mdpi.com/1422-0067/15/9/15858/pdf |
| article pdf uploaded. | 9 September 2014 09:52 CEST | Version of Record | https://www.mdpi.com/1422-0067/15/9/15858/pdf-vor |
