| article html file updated | 11 February 2020 11:10 CET | Update | https://www.mdpi.com/2313-4321/4/1/9 |
| article html file updated | 13 October 2019 20:37 CEST | Update | - |
| article html file updated | 27 April 2019 02:10 CEST | Update | - |
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| article html file updated | 3 April 2019 08:35 CEST | Update | - |
| article html file updated | 15 February 2019 13:24 CET | Original file | - |
| article pdf uploaded. | 15 February 2019 13:23 CET | Updated version of record | https://www.mdpi.com/2313-4321/4/1/9/pdf |
| article xml uploaded. | 15 February 2019 13:23 CET | Update | https://www.mdpi.com/2313-4321/4/1/9/xml |
| article xml file uploaded | 15 February 2019 13:23 CET | Update | - |
| article pdf uploaded. | 23 January 2019 16:38 CET | Updated version of record | https://www.mdpi.com/2313-4321/4/1/9/pdf-vor |
| article pdf uploaded. | 23 January 2019 16:25 CET | Version of Record | https://www.mdpi.com/2313-4321/4/1/9/pdf-vor |
| article xml file uploaded | 23 January 2019 16:25 CET | Original file | - |