| article html file updated | 9 February 2020 06:49 CET | Update | https://www.mdpi.com/1996-1073/11/2/442 |
| article html file updated | 30 September 2019 20:29 CEST | Update | - |
| article html file updated | 1 May 2019 18:01 CEST | Update | - |
| article html file updated | 17 April 2019 17:21 CEST | Update | - |
| article html file updated | 28 March 2019 23:44 CET | Update | - |
| article html file updated | 14 March 2018 16:26 CET | Update | - |
| article html file updated | 22 February 2018 11:07 CET | Original file | - |
| article pdf uploaded. | 22 February 2018 11:07 CET | Updated version of record | https://www.mdpi.com/1996-1073/11/2/442/pdf |
| article xml uploaded. | 22 February 2018 11:06 CET | Original file | https://www.mdpi.com/1996-1073/11/2/442/xml |
| article pdf uploaded. | 15 February 2018 20:44 CET | Version of Record | https://www.mdpi.com/1996-1073/11/2/442/pdf-vor |
