| article html file updated | 9 February 2020 09:48 CET | Update | https://www.mdpi.com/1996-1073/11/3/646 |
| article html file updated | 1 October 2019 14:52 CEST | Update | - |
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| article html file updated | 14 March 2018 16:35 CET | Original file | - |
| article xml uploaded. | 14 March 2018 10:51 CET | Update | https://www.mdpi.com/1996-1073/11/3/646/xml |
| article pdf uploaded. | 14 March 2018 10:51 CET | Version of Record | https://www.mdpi.com/1996-1073/11/3/646/pdf |
