| article html file updated | 6 February 2020 07:17 CET | Update | https://www.mdpi.com/1422-0067/15/2/2722 |
| article html file updated | 7 May 2019 18:36 CEST | Update | - |
| article html file updated | 21 March 2019 12:23 CET | Update | - |
| article html file updated | 19 August 2015 20:32 CEST | Update | - |
| article html file updated | 20 March 2014 10:03 CET | Original file | - |
| article xml file uploaded | 20 March 2014 10:03 CET | Original file | https://www.mdpi.com/1422-0067/15/2/2722/xml |
| article pdf uploaded. | 17 February 2014 11:11 CET | Version of Record | https://www.mdpi.com/1422-0067/15/2/2722/pdf |
