| article html file updated | 10 February 2020 05:12 CET | Update | https://www.mdpi.com/2199-8531/4/3/36 |
| article html file updated | 6 October 2019 12:13 CEST | Update | - |
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| article xml uploaded. | 10 September 2018 11:33 CEST | Update | https://www.mdpi.com/2199-8531/4/3/36/xml |
| article pdf uploaded. | 10 September 2018 11:33 CEST | Updated version of record | https://www.mdpi.com/2199-8531/4/3/36/pdf |
| article html file updated | 9 August 2018 10:46 CEST | Original file | - |
| article pdf uploaded. | 9 August 2018 10:44 CEST | Version of Record | https://www.mdpi.com/2199-8531/4/3/36/pdf-vor |
| article xml file uploaded | 9 August 2018 10:44 CEST | Original file | - |