| article html file updated | 5 February 2020 14:07 CET | Update | https://www.mdpi.com/2072-4292/2/4/968 |
| article html file updated | 18 September 2019 22:14 CEST | Update | N/A |
| article html file updated | 9 May 2019 07:15 CEST | Update | N/A |
| article html file updated | 19 March 2019 23:28 CET | Update | N/A |
| article html file updated | 18 July 2017 10:56 CEST | Update | N/A |
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| article html file updated | 18 July 2017 10:53 CEST | Original file | N/A |
| article xml uploaded. | 18 July 2017 10:51 CEST | Original file | https://www.mdpi.com/2072-4292/2/4/968/xml |
