| article html file updated | 6 February 2020 03:26 CET | Update | https://www.mdpi.com/1422-0067/14/8/15561 |
| article html file updated | 8 May 2019 02:26 CEST | Update | - |
| article html file updated | 21 March 2019 01:58 CET | Update | - |
| article html file updated | 17 June 2015 11:45 CEST | Update | - |
| article html file updated | 3 September 2013 12:29 CEST | Original file | - |
| article xml file uploaded | 3 September 2013 12:28 CEST | Original file | https://www.mdpi.com/1422-0067/14/8/15561/xml |
| article pdf uploaded. | 25 July 2013 13:43 CEST | Version of Record | https://www.mdpi.com/1422-0067/14/8/15561/pdf |
