| article html file updated | 9 February 2020 04:08 CET | Update | https://www.mdpi.com/1422-0067/19/2/339 |
| article html file updated | 30 September 2019 04:14 CEST | Update | - |
| article html file updated | 1 May 2019 23:59 CEST | Update | - |
| article html file updated | 17 April 2019 22:31 CEST | Update | - |
| article html file updated | 28 March 2019 17:55 CET | Update | - |
| article html file updated | 14 March 2018 18:07 CET | Update | - |
| article html file updated | 24 January 2018 07:22 CET | Original file | - |
| article xml uploaded. | 24 January 2018 07:21 CET | Update | https://www.mdpi.com/1422-0067/19/2/339/xml |
| article xml uploaded. | 24 January 2018 07:21 CET | Original file | - |
| article pdf uploaded. | 24 January 2018 07:21 CET | Version of Record | https://www.mdpi.com/1422-0067/19/2/339/pdf |
