| article html file updated | 7 February 2020 19:33 CET | Update | https://www.mdpi.com/1422-0067/17/12/2089 |
| article html file updated | 22 September 2019 11:09 CEST | Update | - |
| article html file updated | 4 May 2019 19:23 CEST | Update | - |
| article html file updated | 27 December 2016 11:15 CET | Update | - |
| article html file updated | 13 December 2016 12:13 CET | Original file | - |
| article xml uploaded. | 13 December 2016 12:12 CET | Original file | https://www.mdpi.com/1422-0067/17/12/2089/xml |
| article pdf uploaded. | 13 December 2016 12:12 CET | Version of Record | https://www.mdpi.com/1422-0067/17/12/2089/pdf |
