| article html file updated | 6 February 2020 06:45 CET | Update | https://www.mdpi.com/1422-0067/15/1/1176 |
| article html file updated | 7 May 2019 19:44 CEST | Update | - |
| article html file updated | 21 March 2019 11:06 CET | Update | - |
| article html file updated | 19 August 2015 17:34 CEST | Update | - |
| article html file updated | 3 February 2014 10:56 CET | Original file | - |
| article xml file uploaded | 3 February 2014 10:55 CET | Original file | https://www.mdpi.com/1422-0067/15/1/1176/xml |
| article pdf uploaded. | 16 January 2014 10:52 CET | Version of Record | https://www.mdpi.com/1422-0067/15/1/1176/pdf |
