| article html file updated | 6 February 2020 19:22 CET | Update | https://www.mdpi.com/1422-0067/16/6/12669 |
| article html file updated | 6 May 2019 18:26 CEST | Update | - |
| article html file updated | 26 March 2019 04:09 CET | Update | - |
| article html file updated | 21 August 2015 13:10 CEST | Update | - |
| article html file updated | 7 July 2015 07:41 CEST | Original file | - |
| article xml file uploaded | 7 July 2015 07:41 CEST | Original file | https://www.mdpi.com/1422-0067/16/6/12669/xml |
| article pdf uploaded. | 4 June 2015 11:25 CEST | Version of Record | https://www.mdpi.com/1422-0067/16/6/12669/pdf |
