| article html file updated | 11 February 2020 12:45 CET | Update | https://www.mdpi.com/2504-5377/3/1/21 |
| article html file updated | 14 October 2019 05:42 CEST | Update | - |
| article html file updated | 26 April 2019 23:03 CEST | Update | - |
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| article html file updated | 1 February 2019 02:01 CET | Original file | - |
| article pdf uploaded. | 31 January 2019 10:04 CET | Version of Record | https://www.mdpi.com/2504-5377/3/1/21/pdf |
| article xml uploaded. | 31 January 2019 10:04 CET | Update | https://www.mdpi.com/2504-5377/3/1/21/xml |
| article xml file uploaded | 31 January 2019 10:04 CET | Original file | - |
