| article html file updated | 8 February 2020 02:19 CET | Update | https://www.mdpi.com/1996-1073/10/4/443 |
| article html file updated | 24 September 2019 00:37 CEST | Update | - |
| article html file updated | 4 May 2019 04:53 CEST | Update | - |
| article html file updated | 28 April 2017 05:58 CEST | Update | - |
| article html file updated | 28 March 2017 02:59 CEST | Original file | - |
| article xml uploaded. | 28 March 2017 02:58 CEST | Update | https://www.mdpi.com/1996-1073/10/4/443/xml |
| article pdf uploaded. | 28 March 2017 02:58 CEST | Updated version of record | https://www.mdpi.com/1996-1073/10/4/443/pdf |
| article pdf uploaded. | 27 March 2017 11:34 CEST | Version of Record | https://www.mdpi.com/1996-1073/10/4/443/pdf-vor |
