| article html file updated | 7 February 2020 12:18 CET | Update | https://www.mdpi.com/2304-6740/4/3/24 |
| article html file updated | 5 May 2019 09:04 CEST | Update | - |
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| article html file updated | 28 September 2016 10:54 CEST | Update | - |
| article html file updated | 26 July 2016 08:20 CEST | Original file | - |
| article xml uploaded. | 26 July 2016 08:18 CEST | Update | https://www.mdpi.com/2304-6740/4/3/24/xml |
| article pdf uploaded. | 26 July 2016 08:18 CEST | Version of Record | https://www.mdpi.com/2304-6740/4/3/24/pdf |
