| article html file updated | 9 February 2020 03:50 CET | Update | https://www.mdpi.com/2075-4701/8/1/78 |
| article html file updated | 30 September 2019 02:40 CEST | Update | - |
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| article html file updated | 9 February 2018 11:09 CET | Update | - |
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| article html file updated | 22 January 2018 04:59 CET | Original file | - |
| article xml uploaded. | 22 January 2018 04:57 CET | Original file | https://www.mdpi.com/2075-4701/8/1/78/xml |
| article pdf uploaded. | 22 January 2018 04:57 CET | Version of Record | https://www.mdpi.com/2075-4701/8/1/78/pdf |
