| article html file updated | 11 February 2020 05:21 CET | Update | https://new.mdpi.com/2218-2004/7/1/2 |
| article html file updated | 27 April 2019 14:29 CEST | Update | - |
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| article html file updated | 27 December 2018 03:21 CET | Update | - |
| article pdf uploaded. | 27 December 2018 03:20 CET | Updated version of record | https://new.mdpi.com/2218-2004/7/1/2/pdf |
| article xml uploaded. | 27 December 2018 03:20 CET | Update | https://new.mdpi.com/2218-2004/7/1/2/xml |
| article xml file uploaded | 27 December 2018 03:20 CET | Update | - |
| article html file updated | 26 December 2018 18:43 CET | Original file | - |
| article pdf uploaded. | 26 December 2018 07:36 CET | Version of Record | https://new.mdpi.com/2218-2004/7/1/2/pdf-vor |
| article xml uploaded. | 26 December 2018 07:36 CET | Update | - |
| article xml file uploaded | 26 December 2018 07:36 CET | Original file | - |
