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| article html file updated | 20 July 2022 16:37 CEST | Update | N/A |
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| article html file updated | 3 September 2018 12:27 CEST | Original file | N/A |
| article pdf uploaded. | 3 September 2018 12:26 CEST | Updated version of record | https://www.mdpi.com/2224-2708/7/3/37/pdf |
| article xml uploaded. | 3 September 2018 12:26 CEST | Update | https://www.mdpi.com/2224-2708/7/3/37/xml |
| article xml file uploaded | 3 September 2018 12:25 CEST | Update | N/A |
| article pdf uploaded. | 1 September 2018 11:49 CEST | Version of Record | https://www.mdpi.com/2224-2708/7/3/37/pdf-vor |
| article xml file uploaded | 1 September 2018 11:49 CEST | Original file | N/A |
