| article html file updated | 9 February 2020 01:44 CET | Update | https://www.mdpi.com/2311-5521/3/1/5 |
| article html file updated | 29 September 2019 14:47 CEST | Update | - |
| article html file updated | 2 May 2019 04:59 CEST | Update | - |
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| article html file updated | 27 March 2018 15:25 CEST | Update | - |
| article html file updated | 2 January 2018 05:39 CET | Original file | - |
| article xml uploaded. | 2 January 2018 05:38 CET | Update | https://www.mdpi.com/2311-5521/3/1/5/xml |
| article pdf uploaded. | 2 January 2018 05:38 CET | Version of Record | https://www.mdpi.com/2311-5521/3/1/5/pdf |
