| article html file updated | 9 February 2020 22:01 CET | Update | https://www.mdpi.com/2199-8531/4/2/19 |
| article html file updated | 4 October 2019 17:46 CEST | Update | - |
| article html file updated | 30 April 2019 09:34 CEST | Update | - |
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| article html file updated | 30 March 2019 12:11 CET | Update | - |
| article html file updated | 19 June 2018 13:00 CEST | Original file | - |
| article pdf uploaded. | 19 June 2018 12:59 CEST | Version of Record | https://www.mdpi.com/2199-8531/4/2/19/pdf |
| article xml uploaded. | 19 June 2018 12:59 CEST | Update | https://www.mdpi.com/2199-8531/4/2/19/xml |
| article xml file uploaded | 19 June 2018 12:59 CEST | Original file | - |
