| article html file updated | 11 February 2020 16:15 CET | Update | https://www.mdpi.com/2075-4701/9/2/232 |
| article html file updated | 15 October 2019 01:10 CEST | Update | - |
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| article html file updated | 1 March 2019 04:13 CET | Original file | - |
| article xml uploaded. | 1 March 2019 04:11 CET | Update | https://www.mdpi.com/2075-4701/9/2/232/xml |
| article pdf uploaded. | 15 February 2019 10:32 CET | Version of Record | https://www.mdpi.com/2075-4701/9/2/232/pdf |
| article xml uploaded. | 15 February 2019 10:32 CET | Update | - |
| article xml file uploaded | 15 February 2019 10:32 CET | Original file | - |