| article html file updated | 9 February 2020 05:00 CET | Update | https://www.mdpi.com/1996-1073/11/2/305 |
| article html file updated | 30 September 2019 09:24 CEST | Update | - |
| article html file updated | 1 May 2019 22:07 CEST | Update | - |
| article html file updated | 17 April 2019 20:53 CEST | Update | - |
| article html file updated | 28 March 2019 19:48 CET | Update | - |
| article html file updated | 14 March 2018 15:35 CET | Update | - |
| article html file updated | 31 January 2018 11:00 CET | Original file | - |
| article xml uploaded. | 31 January 2018 10:58 CET | Update | https://www.mdpi.com/1996-1073/11/2/305/xml |
| article xml uploaded. | 31 January 2018 10:58 CET | Original file | - |
| article pdf uploaded. | 31 January 2018 10:58 CET | Version of Record | https://www.mdpi.com/1996-1073/11/2/305/pdf |
