| article html file updated | 11 February 2020 06:43 CET | Update | https://www.mdpi.com/2313-0105/5/1/4 |
| article html file updated | 12 October 2019 21:04 CEST | Update | - |
| article html file updated | 27 April 2019 11:24 CEST | Update | - |
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| article html file updated | 2 April 2019 22:11 CEST | Update | - |
| article html file updated | 4 January 2019 11:49 CET | Original file | - |
| article pdf uploaded. | 4 January 2019 11:47 CET | Version of Record | https://www.mdpi.com/2313-0105/5/1/4/pdf |
| article xml uploaded. | 4 January 2019 11:47 CET | Update | https://www.mdpi.com/2313-0105/5/1/4/xml |
| article xml file uploaded | 4 January 2019 11:47 CET | Original file | - |
