| article html file updated | 8 February 2020 06:30 CET | Update | https://www.mdpi.com/2076-3417/7/6/534 |
| article html file updated | 24 September 2019 23:16 CEST | Update | - |
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| article html file updated | 27 June 2017 09:26 CEST | Update | - |
| article html file updated | 23 May 2017 12:55 CEST | Original file | - |
| article xml uploaded. | 23 May 2017 12:53 CEST | Original file | https://www.mdpi.com/2076-3417/7/6/534/xml |
| article pdf uploaded. | 23 May 2017 12:53 CEST | Version of Record | https://www.mdpi.com/2076-3417/7/6/534/pdf |
