| article html file updated | 11 February 2020 05:31 CET | Update | https://www.mdpi.com/2075-4701/9/1/23 |
| article html file updated | 12 October 2019 13:40 CEST | Update | - |
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| article html file updated | 30 January 2019 03:31 CET | Update | - |
| article html file updated | 27 December 2018 10:53 CET | Original file | - |
| article pdf uploaded. | 27 December 2018 10:51 CET | Version of Record | https://www.mdpi.com/2075-4701/9/1/23/pdf |
| article xml uploaded. | 27 December 2018 10:51 CET | Update | https://www.mdpi.com/2075-4701/9/1/23/xml |
| article xml file uploaded | 27 December 2018 10:51 CET | Original file | - |
