| article html file updated | 7 February 2020 10:23 CET | Update | https://www.mdpi.com/1422-0067/17/6/960 |
| article html file updated | 5 May 2019 12:33 CEST | Update | - |
| article html file updated | 27 March 2019 07:52 CET | Update | - |
| article html file updated | 29 June 2016 04:00 CEST | Update | - |
| article html file updated | 17 June 2016 13:18 CEST | Original file | - |
| article xml uploaded. | 17 June 2016 13:16 CEST | Original file | https://www.mdpi.com/1422-0067/17/6/960/xml |
| article pdf uploaded. | 17 June 2016 13:16 CEST | Version of Record | https://www.mdpi.com/1422-0067/17/6/960/pdf |
