| article html file updated | 13 August 2026 08:21 CEST | Update | https://www.mdpi.com/1420-3049/19/12/20675 |
| article html file updated | 6 February 2020 14:23 CET | Update | N/A |
| article html file updated | 20 September 2019 15:53 CEST | Update | N/A |
| article html file updated | 7 May 2019 04:07 CEST | Update | N/A |
| article html file updated | 25 March 2019 19:07 CET | Update | N/A |
| article html file updated | 14 September 2018 09:44 CEST | Update | N/A |
| article html file updated | 21 August 2015 03:58 CEST | Update | N/A |
| article html file updated | 4 January 2015 11:50 CET | Original file | N/A |
| article xml file uploaded | 4 January 2015 11:50 CET | Original file | https://www.mdpi.com/1420-3049/19/12/20675/xml |
| article pdf uploaded. | 15 December 2014 08:48 CET | Updated version of record | https://www.mdpi.com/1420-3049/19/12/20675/pdf |
| article pdf uploaded. | 11 December 2014 11:20 CET | Version of Record | https://www.mdpi.com/1420-3049/19/12/20675/pdf-vor |
