| article html file updated | 9 February 2020 03:42 CET | Update | https://www.mdpi.com/1996-1073/11/1/246 |
| article html file updated | 30 September 2019 01:50 CEST | Update | - |
| article html file updated | 2 May 2019 00:56 CEST | Update | - |
| article html file updated | 17 April 2019 23:19 CEST | Update | - |
| article html file updated | 28 March 2019 16:59 CET | Update | - |
| article html file updated | 1 February 2018 14:28 CET | Update | - |
| article html file updated | 19 January 2018 16:58 CET | Original file | - |
| article xml uploaded. | 19 January 2018 16:57 CET | Update | https://www.mdpi.com/1996-1073/11/1/246/xml |
| article xml uploaded. | 19 January 2018 16:57 CET | Original file | - |
| article pdf uploaded. | 19 January 2018 16:57 CET | Version of Record | https://www.mdpi.com/1996-1073/11/1/246/pdf |
