| article html file updated | 11 February 2020 06:07 CET | Update | https://www.mdpi.com/2305-7084/3/1/2 |
| article html file updated | 12 October 2019 17:39 CEST | Update | N/A |
| article html file updated | 27 April 2019 12:43 CEST | Update | N/A |
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| article html file updated | 1 January 2019 07:17 CET | Original file | N/A |
| article pdf uploaded. | 1 January 2019 07:15 CET | Version of Record | https://www.mdpi.com/2305-7084/3/1/2/pdf |
| article xml uploaded. | 1 January 2019 07:15 CET | Update | https://www.mdpi.com/2305-7084/3/1/2/xml |
| article xml file uploaded | 1 January 2019 07:15 CET | Original file | N/A |