| article html file updated | 7 February 2020 10:04 CET | Update | https://www.mdpi.com/2073-4409/5/2/26 |
| article html file updated | 5 May 2019 13:08 CEST | Update | N/A |
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| article html file updated | 27 October 2017 09:11 CEST | Update | N/A |
| article html file updated | 4 July 2016 12:15 CEST | Update | N/A |
| article html file updated | 14 June 2016 22:40 CEST | Original file | N/A |
| article xml uploaded. | 13 June 2016 09:15 CEST | Original file | https://www.mdpi.com/2073-4409/5/2/26/xml |
| article pdf uploaded. | 13 June 2016 09:15 CEST | Version of Record | https://www.mdpi.com/2073-4409/5/2/26/pdf |
