| article html file updated | 9 February 2020 03:38 CET | Update | https://www.mdpi.com/2075-4701/8/1/71 |
| article html file updated | 30 September 2019 01:31 CEST | Update | - |
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| article xml uploaded. | 23 January 2018 07:01 CET | Update | https://www.mdpi.com/2075-4701/8/1/71/xml |
| article xml uploaded. | 23 January 2018 07:01 CET | Update | - |
| article pdf uploaded. | 23 January 2018 07:01 CET | Updated version of record | https://www.mdpi.com/2075-4701/8/1/71/pdf |
| article html file updated | 19 January 2018 15:09 CET | Original file | - |
| article xml uploaded. | 19 January 2018 15:08 CET | Update | - |
| article xml uploaded. | 19 January 2018 15:08 CET | Original file | - |
| article pdf uploaded. | 19 January 2018 15:08 CET | Version of Record | https://www.mdpi.com/2075-4701/8/1/71/pdf-vor |