| article html file updated | 9 February 2020 04:21 CET | Update | https://www.mdpi.com/2076-3417/8/2/175 |
| article html file updated | 30 September 2019 05:29 CEST | Update | - |
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| article html file updated | 14 March 2018 09:51 CET | Update | - |
| article html file updated | 26 January 2018 12:51 CET | Update | - |
| article xml uploaded. | 26 January 2018 12:50 CET | Update | https://www.mdpi.com/2076-3417/8/2/175/xml |
| article html file updated | 25 January 2018 16:46 CET | Original file | - |
| article xml uploaded. | 25 January 2018 16:44 CET | Update | - |
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| article pdf uploaded. | 25 January 2018 16:44 CET | Version of Record | https://www.mdpi.com/2076-3417/8/2/175/pdf |