| article html file updated | 9 February 2020 10:37 CET | Update | https://www.mdpi.com/1422-0067/19/4/931 |
| article html file updated | 1 October 2019 19:47 CEST | Update | - |
| article html file updated | 1 May 2019 10:04 CEST | Update | - |
| article html file updated | 17 April 2019 09:57 CEST | Update | - |
| article html file updated | 29 March 2019 08:18 CET | Update | - |
| article html file updated | 21 March 2018 09:38 CET | Original file | - |
| article xml uploaded. | 21 March 2018 09:37 CET | Original file | https://www.mdpi.com/1422-0067/19/4/931/xml |
| article pdf uploaded. | 21 March 2018 09:37 CET | Version of Record | https://www.mdpi.com/1422-0067/19/4/931/pdf |
