| article html file updated | 9 February 2020 02:34 CET | Update | https://www.mdpi.com/1996-1073/11/1/164 |
| article html file updated | 29 September 2019 19:20 CEST | Update | - |
| article html file updated | 2 May 2019 03:16 CEST | Update | - |
| article html file updated | 18 April 2019 01:26 CEST | Update | - |
| article html file updated | 28 March 2019 14:25 CET | Update | - |
| article html file updated | 1 February 2018 13:45 CET | Update | - |
| article html file updated | 10 January 2018 14:49 CET | Original file | - |
| article xml uploaded. | 10 January 2018 14:48 CET | Update | https://www.mdpi.com/1996-1073/11/1/164/xml |
| article xml uploaded. | 10 January 2018 14:48 CET | Update | - |
| article xml uploaded. | 10 January 2018 14:47 CET | Original file | - |
| article pdf uploaded. | 10 January 2018 14:47 CET | Version of Record | https://www.mdpi.com/1996-1073/11/1/164/pdf |
