| article html file updated | 8 February 2020 09:47 CET | Update | https://www.mdpi.com/2073-4441/9/7/480 |
| article html file updated | 25 September 2019 16:29 CEST | Update | - |
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| article html file updated | 1 August 2017 09:13 CEST | Update | - |
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| article xml uploaded. | 1 July 2017 06:17 CEST | Original file | https://www.mdpi.com/2073-4441/9/7/480/xml |
| article pdf uploaded. | 1 July 2017 06:17 CEST | Version of Record | https://www.mdpi.com/2073-4441/9/7/480/pdf |
