| article html file updated | 29 August 2025 22:04 CEST | Update | https://www.mdpi.com/1424-8220/15/9/21075 |
| article html file updated | 16 July 2022 00:49 CEST | Update | N/A |
| article html file updated | 6 February 2020 22:10 CET | Update | N/A |
| article html file updated | 6 May 2019 12:39 CEST | Update | N/A |
| article html file updated | 26 March 2019 09:32 CET | Update | N/A |
| article html file updated | 9 October 2015 11:58 CEST | Original file | N/A |
| article xml file uploaded | 9 October 2015 11:58 CEST | Original file | https://www.mdpi.com/1424-8220/15/9/21075/xml |
| article pdf uploaded. | 28 August 2015 09:12 CEST | Updated version of record | https://www.mdpi.com/1424-8220/15/9/21075/pdf |
| article pdf uploaded. | 27 August 2015 12:02 CEST | Version of Record | https://www.mdpi.com/1424-8220/15/9/21075/pdf-vor |