| article html file updated | 9 February 2020 09:12 CET | Update | https://www.mdpi.com/2226-4310/5/1/29 |
| article html file updated | 1 October 2019 10:08 CEST | Update | - |
| article html file updated | 1 May 2019 13:06 CEST | Update | - |
| article html file updated | 17 April 2019 12:47 CEST | Update | - |
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| article html file updated | 26 March 2018 16:08 CEST | Update | - |
| article html file updated | 9 March 2018 07:34 CET | Original file | - |
| article xml uploaded. | 9 March 2018 07:33 CET | Update | https://www.mdpi.com/2226-4310/5/1/29/xml |
| article pdf uploaded. | 9 March 2018 07:33 CET | Version of Record | https://www.mdpi.com/2226-4310/5/1/29/pdf |
