| article html file updated | 8 February 2020 22:12 CET | Update | https://new.mdpi.com/2076-3417/7/12/1212 |
| article html file updated | 28 September 2019 18:02 CEST | Update | - |
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| article html file updated | 24 November 2017 15:47 CET | Original file | - |
| article xml uploaded. | 24 November 2017 15:46 CET | Update | https://new.mdpi.com/2076-3417/7/12/1212/xml |
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| article pdf uploaded. | 24 November 2017 15:46 CET | Version of Record | https://new.mdpi.com/2076-3417/7/12/1212/pdf |
