| article html file updated | 8 February 2020 06:38 CET | Update | https://www.mdpi.com/2072-4292/9/6/521 |
| article html file updated | 25 September 2019 00:01 CEST | Update | N/A |
| article html file updated | 3 May 2019 20:31 CEST | Update | N/A |
| article html file updated | 30 June 2017 09:27 CEST | Update | N/A |
| article pdf uploaded. | 26 May 2017 12:15 CEST | Updated version of record | https://www.mdpi.com/2072-4292/9/6/521/pdf |
| article html file updated | 26 May 2017 12:13 CEST | Update | N/A |
| article xml uploaded. | 26 May 2017 12:11 CEST | Update | https://www.mdpi.com/2072-4292/9/6/521/xml |
| article pdf uploaded. | 25 May 2017 07:20 CEST | Updated version of record | https://www.mdpi.com/2072-4292/9/6/521/pdf-vor |
| article html file updated | 25 May 2017 07:14 CEST | Original file | N/A |
| article pdf uploaded. | 24 May 2017 15:36 CEST | Version of Record | https://www.mdpi.com/2072-4292/9/6/521/pdf-vor |
