| article html file updated | 9 February 2020 05:39 CET | Update | https://www.mdpi.com/1996-1073/11/2/378 |
| article html file updated | 30 September 2019 13:28 CEST | Update | - |
| article html file updated | 1 May 2019 20:40 CEST | Update | - |
| article html file updated | 17 April 2019 19:41 CEST | Update | - |
| article html file updated | 28 March 2019 21:12 CET | Update | - |
| article html file updated | 14 March 2018 16:05 CET | Update | - |
| article html file updated | 6 February 2018 11:07 CET | Original file | - |
| article xml uploaded. | 6 February 2018 11:06 CET | Update | https://www.mdpi.com/1996-1073/11/2/378/xml |
| article xml uploaded. | 6 February 2018 11:06 CET | Update | - |
| article xml uploaded. | 6 February 2018 11:06 CET | Original file | - |
| article pdf uploaded. | 6 February 2018 11:06 CET | Version of Record | https://www.mdpi.com/1996-1073/11/2/378/pdf |
