| article html file updated | 8 February 2020 04:09 CET | Update | https://www.mdpi.com/2073-4441/9/4/276 |
| article html file updated | 24 September 2019 11:00 CEST | Update | - |
| article html file updated | 4 May 2019 01:10 CEST | Update | - |
| article html file updated | 28 April 2017 11:28 CEST | Update | - |
| article html file updated | 26 April 2017 03:38 CEST | Update | - |
| article xml uploaded. | 26 April 2017 03:37 CEST | Update | https://www.mdpi.com/2073-4441/9/4/276/xml |
| article pdf uploaded. | 26 April 2017 03:36 CEST | Updated version of record | https://www.mdpi.com/2073-4441/9/4/276/pdf |
| article html file updated | 22 April 2017 06:21 CEST | Update | - |
| article pdf uploaded. | 22 April 2017 06:20 CEST | Updated version of record | https://www.mdpi.com/2073-4441/9/4/276/pdf-vor |
| article html file updated | 22 April 2017 05:43 CEST | Original file | - |
| article pdf uploaded. | 22 April 2017 05:42 CEST | Version of Record | https://www.mdpi.com/2073-4441/9/4/276/pdf-vor |
