| article html file updated | 8 February 2020 06:15 CET | Update | https://www.mdpi.com/2073-4336/8/2/22 |
| article html file updated | 24 September 2019 21:56 CEST | Update | - |
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| article html file updated | 26 May 2017 03:51 CEST | Update | - |
| article xml uploaded. | 26 May 2017 03:49 CEST | Update | https://www.mdpi.com/2073-4336/8/2/22/xml |
| article pdf uploaded. | 26 May 2017 03:49 CEST | Updated version of record | https://www.mdpi.com/2073-4336/8/2/22/pdf |
| article html file updated | 22 May 2017 04:53 CEST | Update | - |
| article html file updated | 19 May 2017 11:03 CEST | Original file | - |
| article pdf uploaded. | 19 May 2017 11:02 CEST | Version of Record | https://www.mdpi.com/2073-4336/8/2/22/pdf-vor |
