| article html file updated | 6 February 2020 14:30 CET | Update | https://www.mdpi.com/1420-3049/19/12/21168 |
| article html file updated | 20 September 2019 16:04 CEST | Update | N/A |
| article html file updated | 7 May 2019 03:52 CEST | Update | N/A |
| article html file updated | 25 March 2019 19:21 CET | Update | N/A |
| article html file updated | 14 September 2018 09:50 CEST | Update | N/A |
| article html file updated | 21 August 2015 04:17 CEST | Update | N/A |
| article html file updated | 4 January 2015 11:51 CET | Original file | N/A |
| article xml file uploaded | 4 January 2015 11:51 CET | Original file | https://www.mdpi.com/1420-3049/19/12/21168/xml |
| article pdf uploaded. | 16 December 2014 13:16 CET | Version of Record | https://www.mdpi.com/1420-3049/19/12/21168/pdf |
