| article html file updated | 9 February 2020 08:58 CET | Update | https://www.mdpi.com/2076-3417/8/3/391 |
| article html file updated | 1 October 2019 08:46 CEST | Update | - |
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| article html file updated | 26 March 2018 14:19 CEST | Update | - |
| article html file updated | 7 March 2018 17:31 CET | Original file | - |
| article xml uploaded. | 7 March 2018 17:29 CET | Original file | https://www.mdpi.com/2076-3417/8/3/391/xml |
| article pdf uploaded. | 7 March 2018 17:29 CET | Version of Record | https://www.mdpi.com/2076-3417/8/3/391/pdf |
