| article html file updated | 7 February 2020 09:33 CET | Update | https://www.mdpi.com/1422-0067/17/6/847 |
| article html file updated | 5 May 2019 14:07 CEST | Update | - |
| article html file updated | 27 March 2019 06:17 CET | Update | - |
| article html file updated | 29 June 2016 03:33 CEST | Update | - |
| article html file updated | 31 May 2016 13:47 CEST | Original file | - |
| article xml uploaded. | 31 May 2016 13:46 CEST | Original file | https://www.mdpi.com/1422-0067/17/6/847/xml |
| article pdf uploaded. | 31 May 2016 13:46 CEST | Version of Record | https://www.mdpi.com/1422-0067/17/6/847/pdf |
