| article html file updated | 9 February 2020 02:27 CET | Update | https://www.mdpi.com/2079-6412/8/1/28 |
| article html file updated | 2 May 2019 03:30 CEST | Update | - |
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| article html file updated | 28 March 2019 14:09 CET | Update | - |
| article html file updated | 1 February 2018 10:31 CET | Update | - |
| article pdf uploaded. | 11 January 2018 09:35 CET | Updated version of record | https://www.mdpi.com/2079-6412/8/1/28/pdf |
| article html file updated | 11 January 2018 05:16 CET | Update | - |
| article xml uploaded. | 11 January 2018 05:15 CET | Update | https://www.mdpi.com/2079-6412/8/1/28/xml |
| article html file updated | 9 January 2018 15:17 CET | Original file | - |
| article pdf uploaded. | 9 January 2018 15:16 CET | Version of Record | https://www.mdpi.com/2079-6412/8/1/28/pdf-vor |
