| article html file updated | 7 February 2020 19:02 CET | Update | https://www.mdpi.com/2076-3417/6/12/404 |
| article html file updated | 22 September 2019 08:38 CEST | Update | - |
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| article html file updated | 27 December 2016 10:58 CET | Update | - |
| article html file updated | 3 December 2016 04:45 CET | Original file | - |
| article xml uploaded. | 3 December 2016 04:44 CET | Original file | https://www.mdpi.com/2076-3417/6/12/404/xml |
| article pdf uploaded. | 3 December 2016 04:44 CET | Version of Record | https://www.mdpi.com/2076-3417/6/12/404/pdf |
