| article html file updated | 9 February 2020 05:10 CET | Update | https://www.mdpi.com/1422-0067/19/2/434 |
| article html file updated | 30 September 2019 10:23 CEST | Update | - |
| article html file updated | 1 May 2019 21:47 CEST | Update | - |
| article html file updated | 17 April 2019 20:36 CEST | Update | - |
| article html file updated | 28 March 2019 20:09 CET | Update | - |
| article html file updated | 14 March 2018 18:29 CET | Update | - |
| article html file updated | 1 February 2018 16:00 CET | Original file | - |
| article xml uploaded. | 1 February 2018 10:15 CET | Update | https://www.mdpi.com/1422-0067/19/2/434/xml |
| article xml uploaded. | 1 February 2018 10:15 CET | Original file | - |
| article pdf uploaded. | 1 February 2018 10:15 CET | Version of Record | https://www.mdpi.com/1422-0067/19/2/434/pdf |
