| article html file updated | 11 February 2020 10:51 CET | Update | https://www.mdpi.com/2223-7747/8/2/27 |
| article html file updated | 13 October 2019 18:56 CEST | Update | - |
| article html file updated | 27 April 2019 02:48 CEST | Update | - |
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| article html file updated | 24 January 2019 10:30 CET | Update | - |
| article pdf uploaded. | 24 January 2019 10:28 CET | Updated version of record | https://www.mdpi.com/2223-7747/8/2/27/pdf |
| article xml uploaded. | 24 January 2019 10:28 CET | Update | https://www.mdpi.com/2223-7747/8/2/27/xml |
| article xml file uploaded | 24 January 2019 10:28 CET | Update | - |
| article html file updated | 22 January 2019 15:55 CET | Original file | - |
| article pdf uploaded. | 22 January 2019 15:53 CET | Version of Record | https://www.mdpi.com/2223-7747/8/2/27/pdf-vor |
| article xml uploaded. | 22 January 2019 15:53 CET | Update | - |
| article xml file uploaded | 22 January 2019 15:53 CET | Original file | - |