| article html file updated | 9 February 2020 04:40 CET | Update | https://www.mdpi.com/1424-8220/18/2/381 |
| article html file updated | 30 September 2019 07:28 CEST | Update | N/A |
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| article html file updated | 29 January 2018 04:46 CET | Original file | N/A |
| article xml uploaded. | 29 January 2018 04:43 CET | Update | https://www.mdpi.com/1424-8220/18/2/381/xml |
| article xml uploaded. | 29 January 2018 04:43 CET | Update | N/A |
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| article xml uploaded. | 29 January 2018 04:42 CET | Update | N/A |
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| article xml uploaded. | 29 January 2018 04:42 CET | Update | N/A |
| article xml uploaded. | 29 January 2018 04:42 CET | Update | N/A |
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| article pdf uploaded. | 29 January 2018 04:42 CET | Version of Record | https://www.mdpi.com/1424-8220/18/2/381/pdf |
