| article html file updated | 8 February 2020 15:09 CET | Update | https://www.mdpi.com/2073-4468/6/3/12 |
| article html file updated | 26 September 2019 21:55 CEST | Update | - |
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| article html file updated | 26 September 2017 12:58 CEST | Update | - |
| article html file updated | 1 September 2017 22:11 CEST | Original file | - |
| article xml uploaded. | 1 September 2017 22:10 CEST | Original file | https://www.mdpi.com/2073-4468/6/3/12/xml |
| article pdf uploaded. | 1 September 2017 22:10 CEST | Version of Record | https://www.mdpi.com/2073-4468/6/3/12/pdf |
