| article html file updated | 7 February 2020 13:08 CET | Update | https://www.mdpi.com/1999-5903/8/3/41 |
| article html file updated | 5 May 2019 07:28 CEST | Update | N/A |
| article html file updated | 27 March 2019 13:15 CET | Update | N/A |
| article html file updated | 11 August 2016 12:15 CEST | Update | N/A |
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| article html file updated | 10 August 2016 11:30 CEST | Original file | N/A |
| article xml uploaded. | 10 August 2016 11:29 CEST | Update | https://www.mdpi.com/1999-5903/8/3/41/xml |
| article xml uploaded. | 10 August 2016 11:29 CEST | Original file | N/A |
| article pdf uploaded. | 10 August 2016 11:29 CEST | Version of Record | https://www.mdpi.com/1999-5903/8/3/41/pdf |