| article html file updated | 9 February 2020 02:22 CET | Update | https://www.mdpi.com/2079-4991/8/1/30 |
| article html file updated | 29 September 2019 18:16 CEST | Update | N/A |
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| article html file updated | 1 February 2018 08:32 CET | Update | N/A |
| article html file updated | 9 January 2018 13:55 CET | Update | N/A |
| article xml uploaded. | 9 January 2018 13:53 CET | Update | https://www.mdpi.com/2079-4991/8/1/30/xml |
| article pdf uploaded. | 9 January 2018 13:53 CET | Updated version of record | https://www.mdpi.com/2079-4991/8/1/30/pdf |
| article html file updated | 8 January 2018 16:47 CET | Original file | N/A |
| article pdf uploaded. | 8 January 2018 16:45 CET | Version of Record | https://www.mdpi.com/2079-4991/8/1/30/pdf-vor |