| article html file updated | 9 February 2020 04:17 CET | Update | https://www.mdpi.com/2076-3417/8/2/167 |
| article html file updated | 1 May 2019 23:42 CEST | Update | N/A |
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| article html file updated | 28 March 2019 18:13 CET | Update | N/A |
| article html file updated | 14 March 2018 09:49 CET | Update | N/A |
| article html file updated | 25 January 2018 06:55 CET | Original file | N/A |
| article xml uploaded. | 25 January 2018 06:53 CET | Original file | https://www.mdpi.com/2076-3417/8/2/167/xml |
| article pdf uploaded. | 25 January 2018 06:53 CET | Version of Record | https://www.mdpi.com/2076-3417/8/2/167/pdf |
