| article html file updated | 9 February 2020 05:18 CET | Update | https://www.mdpi.com/1422-0067/19/2/447 |
| article html file updated | 30 September 2019 11:18 CEST | Update | - |
| article html file updated | 1 May 2019 21:29 CEST | Update | - |
| article html file updated | 17 April 2019 20:20 CEST | Update | - |
| article html file updated | 28 March 2019 20:26 CET | Update | - |
| article html file updated | 14 March 2018 18:34 CET | Update | - |
| article html file updated | 2 February 2018 11:22 CET | Original file | - |
| article xml uploaded. | 2 February 2018 09:55 CET | Update | https://www.mdpi.com/1422-0067/19/2/447/xml |
| article xml uploaded. | 2 February 2018 09:55 CET | Update | - |
| article xml uploaded. | 2 February 2018 09:55 CET | Original file | - |
| article pdf uploaded. | 2 February 2018 09:55 CET | Version of Record | https://www.mdpi.com/1422-0067/19/2/447/pdf |
