| article html file updated | 1 April 2020 22:43 CEST | Update | https://www.mdpi.com/2312-7481/6/1/7 |
| article html file updated | 15 February 2020 07:52 CET | Update | N/A |
| article html file updated | 4 February 2020 17:28 CET | Update | N/A |
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| article pdf uploaded. | 4 February 2020 17:26 CET | Updated version of record | https://www.mdpi.com/2312-7481/6/1/7/pdf |
| article xml uploaded. | 4 February 2020 17:26 CET | Update | https://www.mdpi.com/2312-7481/6/1/7/xml |
| article xml file uploaded | 4 February 2020 17:26 CET | Update | N/A |
| article pdf uploaded. | 4 February 2020 17:26 CET | Version of Record | N/A |
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| article xml file uploaded | 4 February 2020 17:26 CET | Original file | N/A |
