| article html file updated | 8 February 2020 05:47 CET | Update | https://www.mdpi.com/1996-1073/10/5/688 |
| article html file updated | 24 September 2019 19:31 CEST | Update | - |
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| article xml uploaded. | 13 May 2017 09:10 CEST | Original file | https://www.mdpi.com/1996-1073/10/5/688/xml |
| article pdf uploaded. | 13 May 2017 09:10 CEST | Version of Record | https://www.mdpi.com/1996-1073/10/5/688/pdf |
