| article html file updated | 8 February 2020 23:22 CET | Update | https://www.mdpi.com/1422-0067/18/12/2648 |
| article html file updated | 29 September 2019 01:08 CEST | Update | - |
| article html file updated | 2 May 2019 10:08 CEST | Update | - |
| article html file updated | 18 April 2019 07:47 CEST | Update | - |
| article html file updated | 2 January 2018 09:31 CET | Update | - |
| article html file updated | 7 December 2017 10:02 CET | Original file | - |
| article xml uploaded. | 7 December 2017 10:01 CET | Original file | https://www.mdpi.com/1422-0067/18/12/2648/xml |
| article pdf uploaded. | 7 December 2017 10:01 CET | Version of Record | https://www.mdpi.com/1422-0067/18/12/2648/pdf |
