| article html file updated | 7 February 2020 09:17 CET | Update | https://www.mdpi.com/1422-0067/17/6/813 |
| article html file updated | 5 May 2019 14:41 CEST | Update | - |
| article html file updated | 27 March 2019 05:46 CET | Update | - |
| article html file updated | 29 June 2016 03:20 CEST | Update | - |
| article html file updated | 25 May 2016 13:58 CEST | Original file | - |
| article xml uploaded. | 25 May 2016 13:57 CEST | Original file | https://www.mdpi.com/1422-0067/17/6/813/xml |
| article pdf uploaded. | 25 May 2016 13:57 CEST | Version of Record | https://www.mdpi.com/1422-0067/17/6/813/pdf |
