| article html file updated | 9 February 2020 10:57 CET | Update | https://www.mdpi.com/1422-0067/19/4/959 |
| article html file updated | 1 May 2019 09:21 CEST | Update | - |
| article html file updated | 17 April 2019 09:16 CEST | Update | - |
| article html file updated | 29 March 2019 09:06 CET | Update | - |
| article html file updated | 23 March 2018 09:54 CET | Original file | - |
| article xml uploaded. | 23 March 2018 09:53 CET | Update | https://www.mdpi.com/1422-0067/19/4/959/xml |
| article pdf uploaded. | 23 March 2018 09:53 CET | Version of Record | https://www.mdpi.com/1422-0067/19/4/959/pdf |
