| article html file updated | 7 February 2020 14:12 CET | Update | https://www.mdpi.com/2072-4292/8/9/721 |
| article html file updated | 5 May 2019 05:32 CEST | Update | - |
| article html file updated | 27 March 2019 15:29 CET | Update | - |
| article html file updated | 29 September 2016 09:10 CEST | Update | - |
| article html file updated | 31 August 2016 11:47 CEST | Original file | - |
| article xml uploaded. | 31 August 2016 11:46 CEST | Update | https://www.mdpi.com/2072-4292/8/9/721/xml |
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| article pdf uploaded. | 31 August 2016 11:46 CEST | Version of Record | https://www.mdpi.com/2072-4292/8/9/721/pdf |
