| article html file updated | 9 February 2020 07:15 CET | Update | https://www.mdpi.com/2075-4701/8/2/143 |
| article html file updated | 30 September 2019 22:54 CEST | Update | N/A |
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| article html file updated | 17 April 2019 16:31 CEST | Update | N/A |
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| article html file updated | 22 February 2018 12:56 CET | Original file | N/A |
| article xml uploaded. | 22 February 2018 12:55 CET | Original file | https://www.mdpi.com/2075-4701/8/2/143/xml |
| article pdf uploaded. | 22 February 2018 12:55 CET | Version of Record | https://www.mdpi.com/2075-4701/8/2/143/pdf |
