| article html file updated | 8 February 2020 11:49 CET | Update | https://www.mdpi.com/1999-4907/8/7/263 |
| article html file updated | 26 September 2019 03:06 CEST | Update | N/A |
| article html file updated | 3 May 2019 10:46 CEST | Update | N/A |
| article html file updated | 27 March 2019 17:19 CET | Update | N/A |
| article html file updated | 1 August 2017 08:46 CEST | Update | N/A |
| article html file updated | 23 July 2017 10:48 CEST | Update | N/A |
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| article html file updated | 23 July 2017 10:47 CEST | Original file | N/A |
| article xml uploaded. | 23 July 2017 10:45 CEST | Original file | https://www.mdpi.com/1999-4907/8/7/263/xml |
| article pdf uploaded. | 23 July 2017 10:45 CEST | Version of Record | https://www.mdpi.com/1999-4907/8/7/263/pdf |
