| article html file updated | 8 February 2020 02:48 CET | Update | https://www.mdpi.com/2076-3298/4/2/29 |
| article html file updated | 24 September 2019 03:25 CEST | Update | - |
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| article html file updated | 29 June 2017 11:25 CEST | Update | - |
| article html file updated | 2 April 2017 10:05 CEST | Original file | - |
| article xml uploaded. | 2 April 2017 10:04 CEST | Original file | https://www.mdpi.com/2076-3298/4/2/29/xml |
| article pdf uploaded. | 2 April 2017 10:04 CEST | Version of Record | https://www.mdpi.com/2076-3298/4/2/29/pdf |
