| article html file updated | 7 February 2020 19:51 CET | Update | https://www.mdpi.com/1422-0067/17/12/2131 |
| article html file updated | 22 September 2019 12:44 CEST | Update | - |
| article html file updated | 4 May 2019 18:44 CEST | Update | - |
| article html file updated | 27 December 2016 11:19 CET | Update | - |
| article html file updated | 17 December 2016 08:10 CET | Original file | - |
| article xml uploaded. | 17 December 2016 08:09 CET | Original file | https://www.mdpi.com/1422-0067/17/12/2131/xml |
| article pdf uploaded. | 17 December 2016 08:09 CET | Version of Record | https://www.mdpi.com/1422-0067/17/12/2131/pdf |
