| article html file updated | 15 September 2021 12:28 CEST | Update | https://www.mdpi.com/2073-4352/8/1/52 |
| article html file updated | 9 February 2020 03:43 CET | Update | - |
| article html file updated | 2 May 2019 00:53 CEST | Update | - |
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| article html file updated | 1 February 2018 10:18 CET | Update | - |
| article html file updated | 22 January 2018 11:15 CET | Original file | - |
| article xml uploaded. | 22 January 2018 11:14 CET | Update | https://www.mdpi.com/2073-4352/8/1/52/xml |
| article xml uploaded. | 22 January 2018 11:14 CET | Update | - |
| article xml uploaded. | 22 January 2018 03:14 CET | Update | - |
| article xml uploaded. | 22 January 2018 03:14 CET | Original file | - |
| article pdf uploaded. | 22 January 2018 03:14 CET | Updated version of record | https://www.mdpi.com/2073-4352/8/1/52/pdf |
| article pdf uploaded. | 19 January 2018 18:36 CET | Version of Record | https://www.mdpi.com/2073-4352/8/1/52/pdf-vor |
