| article html file updated | 8 February 2020 04:06 CET | Update | https://www.mdpi.com/1996-1073/10/4/566 |
| article html file updated | 24 September 2019 10:45 CEST | Update | - |
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| article html file updated | 28 April 2017 06:28 CEST | Update | - |
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| article xml uploaded. | 21 April 2017 16:37 CEST | Original file | https://www.mdpi.com/1996-1073/10/4/566/xml |
| article pdf uploaded. | 21 April 2017 16:37 CEST | Version of Record | https://www.mdpi.com/1996-1073/10/4/566/pdf |
