| article html file updated | 7 February 2020 09:32 CET | Update | https://www.mdpi.com/1422-0067/17/6/845 |
| article html file updated | 5 May 2019 14:08 CEST | Update | - |
| article html file updated | 27 March 2019 06:15 CET | Update | - |
| article html file updated | 29 June 2016 03:33 CEST | Update | - |
| article html file updated | 31 May 2016 12:51 CEST | Original file | - |
| article xml uploaded. | 31 May 2016 12:49 CEST | Original file | https://www.mdpi.com/1422-0067/17/6/845/xml |
| article pdf uploaded. | 31 May 2016 12:49 CEST | Version of Record | https://www.mdpi.com/1422-0067/17/6/845/pdf |
