| article html file updated | 8 February 2020 11:33 CET | Update | https://www.mdpi.com/2073-4441/9/7/546 |
| article html file updated | 26 September 2019 01:39 CEST | Update | - |
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| article html file updated | 20 July 2017 16:00 CEST | Original file | - |
| article xml uploaded. | 20 July 2017 15:59 CEST | Original file | https://www.mdpi.com/2073-4441/9/7/546/xml |
| article pdf uploaded. | 20 July 2017 15:59 CEST | Updated version of record | https://www.mdpi.com/2073-4441/9/7/546/pdf |