| article html file updated | 8 February 2020 08:43 CET | Update | https://www.mdpi.com/2078-1547/8/1/14 |
| article html file updated | 3 May 2019 16:38 CEST | Update | - |
| article html file updated | 3 July 2017 04:54 CEST | Update | - |
| article xml uploaded. | 3 July 2017 04:53 CEST | Update | https://www.mdpi.com/2078-1547/8/1/14/xml |
| article pdf uploaded. | 3 July 2017 04:53 CEST | Updated version of record | https://www.mdpi.com/2078-1547/8/1/14/pdf |
| article html file updated | 30 June 2017 10:45 CEST | Update | - |
| article pdf uploaded. | 30 June 2017 10:43 CEST | Updated version of record | https://www.mdpi.com/2078-1547/8/1/14/pdf-vor |
| article html file updated | 19 June 2017 16:13 CEST | Original file | - |
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