| article html file updated | 9 February 2020 02:50 CET | Update | https://www.mdpi.com/2076-0825/7/1/3 |
| article html file updated | 29 September 2019 20:44 CEST | Update | - |
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| article html file updated | 26 March 2018 15:46 CEST | Update | - |
| article html file updated | 12 January 2018 13:31 CET | Original file | - |
| article xml uploaded. | 12 January 2018 13:29 CET | Original file | https://www.mdpi.com/2076-0825/7/1/3/xml |
| article pdf uploaded. | 12 January 2018 13:29 CET | Version of Record | https://www.mdpi.com/2076-0825/7/1/3/pdf |
