| article html file updated | 8 February 2020 23:36 CET | Update | https://www.mdpi.com/1422-0067/18/12/2670 |
| article html file updated | 29 September 2019 02:25 CEST | Update | - |
| article html file updated | 2 May 2019 09:37 CEST | Update | - |
| article html file updated | 18 April 2019 07:19 CEST | Update | - |
| article html file updated | 2 January 2018 09:36 CET | Update | - |
| article html file updated | 9 December 2017 09:19 CET | Original file | - |
| article xml uploaded. | 9 December 2017 09:18 CET | Original file | https://www.mdpi.com/1422-0067/18/12/2670/xml |
| article pdf uploaded. | 9 December 2017 09:18 CET | Version of Record | https://www.mdpi.com/1422-0067/18/12/2670/pdf |
