| article html file updated | 8 February 2020 08:11 CET | Update | https://www.mdpi.com/2072-6643/9/6/598 |
| article html file updated | 25 September 2019 07:53 CEST | Update | - |
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| article html file updated | 29 June 2017 11:45 CEST | Update | - |
| article html file updated | 13 June 2017 13:08 CEST | Original file | - |
| article xml uploaded. | 13 June 2017 13:07 CEST | Original file | https://www.mdpi.com/2072-6643/9/6/598/xml |
| article pdf uploaded. | 13 June 2017 13:07 CEST | Version of Record | https://www.mdpi.com/2072-6643/9/6/598/pdf |
