| article html file updated | 6 February 2020 04:59 CET | Update | https://www.mdpi.com/1422-0067/14/10/21021 |
| article html file updated | 7 May 2019 23:08 CEST | Update | N/A |
| article html file updated | 21 March 2019 06:11 CET | Update | N/A |
| article html file updated | 17 June 2015 14:02 CEST | Update | N/A |
| article html file updated | 11 November 2013 10:37 CET | Original file | N/A |
| article xml file uploaded | 11 November 2013 10:36 CET | Original file | https://www.mdpi.com/1422-0067/14/10/21021/xml |
| article pdf uploaded. | 18 October 2013 12:30 CEST | Version of Record | https://www.mdpi.com/1422-0067/14/10/21021/pdf |
