| article html file updated | 8 February 2020 22:17 CET | Update | https://www.mdpi.com/2072-4292/9/12/1220 |
| article html file updated | 28 September 2019 18:36 CEST | Update | - |
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| article html file updated | 5 December 2017 11:50 CET | Update | - |
| article xml uploaded. | 5 December 2017 11:49 CET | Update | https://www.mdpi.com/2072-4292/9/12/1220/xml |
| article pdf uploaded. | 5 December 2017 11:49 CET | Updated version of record | https://www.mdpi.com/2072-4292/9/12/1220/pdf |
| article html file updated | 28 November 2017 03:00 CET | Update | - |
| article xml uploaded. | 28 November 2017 02:58 CET | Update | - |
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| article pdf uploaded. | 28 November 2017 02:58 CET | Updated version of record | https://www.mdpi.com/2072-4292/9/12/1220/pdf-vor |
| article html file updated | 26 November 2017 13:57 CET | Original file | - |
| article xml uploaded. | 26 November 2017 13:56 CET | Update | - |
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| article pdf uploaded. | 26 November 2017 10:14 CET | Version of Record | https://www.mdpi.com/2072-4292/9/12/1220/pdf-vor |