| article html file updated | 7 February 2020 08:03 CET | Update | https://www.mdpi.com/1996-1073/9/5/332 |
| article html file updated | 5 May 2019 17:03 CEST | Update | - |
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| article html file updated | 26 May 2016 12:43 CEST | Update | - |
| article html file updated | 30 April 2016 06:50 CEST | Original file | - |
| article xml uploaded. | 30 April 2016 06:49 CEST | Original file | https://www.mdpi.com/1996-1073/9/5/332/xml |
| article pdf uploaded. | 30 April 2016 06:49 CEST | Version of Record | https://www.mdpi.com/1996-1073/9/5/332/pdf |
