| article html file updated | 8 February 2020 23:14 CET | Update | https://www.mdpi.com/2075-5309/7/4/116 |
| article html file updated | 29 September 2019 00:23 CEST | Update | - |
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| article html file updated | 5 December 2017 16:29 CET | Original file | - |
| article xml uploaded. | 5 December 2017 16:27 CET | Update | https://www.mdpi.com/2075-5309/7/4/116/xml |
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| article pdf uploaded. | 5 December 2017 16:27 CET | Version of Record | https://www.mdpi.com/2075-5309/7/4/116/pdf |