| article html file updated | 7 February 2020 09:06 CET | Update | https://www.mdpi.com/1999-4915/8/5/144 |
| article html file updated | 5 May 2019 15:02 CEST | Update | - |
| article html file updated | 27 March 2019 05:25 CET | Update | - |
| article html file updated | 30 May 2016 10:12 CEST | Update | - |
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| article xml uploaded. | 24 May 2016 10:17 CEST | Update | https://www.mdpi.com/1999-4915/8/5/144/xml |
| article pdf uploaded. | 24 May 2016 10:17 CEST | Updated version of record | https://www.mdpi.com/1999-4915/8/5/144/pdf |
| article html file updated | 21 May 2016 12:29 CEST | Original file | - |
