| article html file updated | 9 February 2020 06:17 CET | Update | https://www.mdpi.com/1424-8220/18/2/551 |
| article html file updated | 30 September 2019 17:20 CEST | Update | - |
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| article html file updated | 28 March 2019 22:36 CET | Update | - |
| article html file updated | 14 March 2018 19:40 CET | Update | - |
| article html file updated | 12 February 2018 04:05 CET | Update | - |
| article xml uploaded. | 12 February 2018 04:04 CET | Update | https://www.mdpi.com/1424-8220/18/2/551/xml |
| article xml uploaded. | 12 February 2018 04:04 CET | Update | - |
| article pdf uploaded. | 12 February 2018 04:04 CET | Updated version of record | https://www.mdpi.com/1424-8220/18/2/551/pdf |
| article html file updated | 11 February 2018 10:38 CET | Original file | - |
| article xml uploaded. | 11 February 2018 10:36 CET | Update | - |
| article xml uploaded. | 11 February 2018 10:36 CET | Original file | - |
| article pdf uploaded. | 11 February 2018 10:36 CET | Version of Record | https://www.mdpi.com/1424-8220/18/2/551/pdf-vor |
