| article html file updated | 7 February 2020 09:21 CET | Update | https://www.mdpi.com/1422-0067/17/6/828 |
| article html file updated | 5 May 2019 14:32 CEST | Update | - |
| article html file updated | 27 March 2019 05:53 CET | Update | - |
| article html file updated | 29 June 2016 03:26 CEST | Update | - |
| article html file updated | 26 May 2016 14:14 CEST | Original file | - |
| article xml uploaded. | 26 May 2016 13:42 CEST | Update | https://www.mdpi.com/1422-0067/17/6/828/xml |
| article pdf uploaded. | 26 May 2016 13:42 CEST | Version of Record | https://www.mdpi.com/1422-0067/17/6/828/pdf |
