| article html file updated | 9 February 2020 01:19 CET | Update | https://www.mdpi.com/2076-3417/8/1/34 |
| article html file updated | 29 September 2019 12:26 CEST | Update | - |
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| article html file updated | 1 February 2018 10:32 CET | Update | - |
| article html file updated | 27 December 2017 10:48 CET | Original file | - |
| article xml uploaded. | 27 December 2017 10:46 CET | Original file | https://www.mdpi.com/2076-3417/8/1/34/xml |
| article pdf uploaded. | 27 December 2017 10:46 CET | Version of Record | https://www.mdpi.com/2076-3417/8/1/34/pdf |
