| article html file updated | 7 February 2020 09:20 CET | Update | https://www.mdpi.com/1422-0067/17/6/824 |
| article html file updated | 5 May 2019 14:35 CEST | Update | - |
| article html file updated | 27 March 2019 05:51 CET | Update | - |
| article html file updated | 29 June 2016 03:24 CEST | Update | - |
| article html file updated | 26 May 2016 14:14 CEST | Original file | - |
| article xml uploaded. | 26 May 2016 13:38 CEST | Original file | https://www.mdpi.com/1422-0067/17/6/824/xml |
| article pdf uploaded. | 26 May 2016 13:38 CEST | Version of Record | https://www.mdpi.com/1422-0067/17/6/824/pdf |
