| article html file updated | 7 February 2020 20:24 CET | Update | https://www.mdpi.com/2076-3417/7/1/35 |
| article html file updated | 22 September 2019 15:45 CEST | Update | - |
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| article html file updated | 27 December 2016 17:06 CET | Original file | - |
| article xml uploaded. | 27 December 2016 17:04 CET | Original file | https://www.mdpi.com/2076-3417/7/1/35/xml |
| article pdf uploaded. | 27 December 2016 17:03 CET | Version of Record | https://www.mdpi.com/2076-3417/7/1/35/pdf |
