| article html file updated | 9 February 2020 14:34 CET | Update | https://www.mdpi.com/2075-4701/8/4/284 |
| article html file updated | 2 October 2019 19:14 CEST | Update | N/A |
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| article html file updated | 20 April 2018 09:14 CEST | Update | N/A |
| article xml uploaded. | 20 April 2018 09:13 CEST | Update | https://www.mdpi.com/2075-4701/8/4/284/xml |
| article pdf uploaded. | 20 April 2018 09:13 CEST | Updated version of record | https://www.mdpi.com/2075-4701/8/4/284/pdf |
| article html file updated | 20 April 2018 06:28 CEST | Original file | N/A |
| article pdf uploaded. | 20 April 2018 06:26 CEST | Updated version of record | https://www.mdpi.com/2075-4701/8/4/284/pdf-vor |
| article xml file uploaded | 20 April 2018 06:26 CEST | Original file | N/A |
| article pdf uploaded. | 19 April 2018 15:36 CEST | Version of Record | https://www.mdpi.com/2075-4701/8/4/284/pdf-vor |