| article html file updated | 9 February 2020 02:39 CET | Update | https://www.mdpi.com/1996-1073/11/1/170 |
| article html file updated | 29 September 2019 19:49 CEST | Update | - |
| article html file updated | 2 May 2019 03:04 CEST | Update | - |
| article html file updated | 18 April 2019 01:14 CEST | Update | - |
| article html file updated | 28 March 2019 14:38 CET | Update | - |
| article html file updated | 1 February 2018 13:48 CET | Update | - |
| article html file updated | 11 January 2018 09:16 CET | Original file | - |
| article xml uploaded. | 11 January 2018 09:15 CET | Update | https://www.mdpi.com/1996-1073/11/1/170/xml |
| article xml uploaded. | 11 January 2018 09:15 CET | Original file | - |
| article pdf uploaded. | 11 January 2018 09:15 CET | Version of Record | https://www.mdpi.com/1996-1073/11/1/170/pdf |
