| article html file updated | 9 February 2020 05:02 CET | Update | https://www.mdpi.com/1422-0067/19/2/422 |
| article html file updated | 30 September 2019 09:31 CEST | Update | - |
| article html file updated | 1 May 2019 22:05 CEST | Update | - |
| article html file updated | 17 April 2019 20:51 CEST | Update | - |
| article html file updated | 28 March 2019 19:50 CET | Update | - |
| article html file updated | 14 March 2018 18:25 CET | Update | - |
| article html file updated | 31 January 2018 13:25 CET | Original file | - |
| article xml uploaded. | 31 January 2018 13:24 CET | Original file | https://www.mdpi.com/1422-0067/19/2/422/xml |
| article pdf uploaded. | 31 January 2018 13:24 CET | Version of Record | https://www.mdpi.com/1422-0067/19/2/422/pdf |
