| article html file updated | 9 February 2020 05:39 CET | Update | https://www.mdpi.com/2076-3417/8/2/247 |
| article html file updated | 30 September 2019 13:29 CEST | Update | - |
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| article html file updated | 14 March 2018 11:05 CET | Update | - |
| article html file updated | 6 February 2018 11:02 CET | Original file | - |
| article xml uploaded. | 6 February 2018 11:01 CET | Update | https://www.mdpi.com/2076-3417/8/2/247/xml |
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| article pdf uploaded. | 6 February 2018 11:01 CET | Version of Record | https://www.mdpi.com/2076-3417/8/2/247/pdf |