| article html file updated | 9 February 2020 01:47 CET | Update | https://www.mdpi.com/2076-3263/8/1/11 |
| article html file updated | 29 September 2019 15:03 CEST | Update | - |
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| article html file updated | 1 February 2018 15:13 CET | Update | - |
| article pdf uploaded. | 23 January 2018 08:32 CET | Updated version of record | https://www.mdpi.com/2076-3263/8/1/11/pdf |
| article html file updated | 2 January 2018 21:02 CET | Original file | - |
| article xml uploaded. | 2 January 2018 15:27 CET | Update | https://www.mdpi.com/2076-3263/8/1/11/xml |
