| article html file updated | 7 February 2020 09:06 CET | Update | https://www.mdpi.com/1999-4915/8/5/146 |
| article html file updated | 5 May 2019 15:01 CEST | Update | N/A |
| article html file updated | 27 March 2019 05:26 CET | Update | N/A |
| article html file updated | 30 May 2016 10:12 CEST | Update | N/A |
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| article html file updated | 21 May 2016 13:12 CEST | Original file | N/A |
| article xml uploaded. | 21 May 2016 13:10 CEST | Original file | https://www.mdpi.com/1999-4915/8/5/146/xml |
| article pdf uploaded. | 21 May 2016 13:10 CEST | Version of Record | https://www.mdpi.com/1999-4915/8/5/146/pdf |
