| article html file updated | 7 February 2020 20:00 CET | Update | https://www.mdpi.com/1422-0067/17/12/2149 |
| article html file updated | 22 September 2019 13:36 CEST | Update | - |
| article html file updated | 4 May 2019 18:26 CEST | Update | - |
| article html file updated | 27 December 2016 11:21 CET | Update | - |
| article html file updated | 20 December 2016 12:10 CET | Original file | - |
| article xml uploaded. | 20 December 2016 12:09 CET | Original file | https://www.mdpi.com/1422-0067/17/12/2149/xml |
| article pdf uploaded. | 20 December 2016 12:09 CET | Version of Record | https://www.mdpi.com/1422-0067/17/12/2149/pdf |
