| article html file updated | 9 February 2020 00:44 CET | Update | https://www.mdpi.com/2079-6412/8/1/4 |
| article html file updated | 29 September 2019 09:01 CEST | Update | - |
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| article html file updated | 18 April 2019 05:02 CEST | Update | - |
| article html file updated | 1 February 2018 10:41 CET | Update | - |
| article html file updated | 22 December 2017 10:31 CET | Update | - |
| article xml uploaded. | 22 December 2017 10:30 CET | Update | https://www.mdpi.com/2079-6412/8/1/4/xml |
| article xml uploaded. | 22 December 2017 10:30 CET | Update | - |
| article pdf uploaded. | 22 December 2017 10:30 CET | Updated version of record | https://www.mdpi.com/2079-6412/8/1/4/pdf |
| article html file updated | 21 December 2017 12:21 CET | Original file | - |
| article xml uploaded. | 21 December 2017 12:20 CET | Update | - |
| article xml uploaded. | 21 December 2017 12:20 CET | Original file | - |
| article pdf uploaded. | 21 December 2017 12:20 CET | Version of Record | https://www.mdpi.com/2079-6412/8/1/4/pdf-vor |
