| article html file updated | 8 February 2020 18:07 CET | Update | https://www.mdpi.com/2076-0817/6/4/48 |
| article html file updated | 27 September 2019 16:01 CEST | Update | - |
| article html file updated | 2 May 2019 22:02 CEST | Update | - |
| article html file updated | 20 April 2018 10:24 CEST | Update | - |
| article xml uploaded. | 20 April 2018 10:22 CEST | Update | https://www.mdpi.com/2076-0817/6/4/48/xml |
| article pdf uploaded. | 20 April 2018 10:22 CEST | Updated version of record | https://www.mdpi.com/2076-0817/6/4/48/pdf |
| Correction published | 20 April 2018 00:00 CEST | Correction | http://www.mdpi.com/2076-0817/7/2/45 |
| article html file updated | 2 January 2018 20:16 CET | Update | - |
| article html file updated | 11 October 2017 13:02 CEST | Original file | - |
| article xml uploaded. | 11 October 2017 13:01 CEST | Original file | - |
| article pdf uploaded. | 11 October 2017 13:01 CEST | Version of Record | https://www.mdpi.com/2076-0817/6/4/48/pdf-vor |
