| article html file updated | 8 February 2020 07:03 CET | Update | https://www.mdpi.com/2072-4292/9/6/539 |
| article html file updated | 25 September 2019 02:09 CEST | Update | - |
| article html file updated | 3 May 2019 19:47 CEST | Update | - |
| article html file updated | 30 June 2017 09:32 CEST | Update | - |
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| article xml uploaded. | 30 May 2017 15:09 CEST | Original file | https://www.mdpi.com/2072-4292/9/6/539/xml |
| article pdf uploaded. | 30 May 2017 15:09 CEST | Version of Record | https://www.mdpi.com/2072-4292/9/6/539/pdf |
