| article html file updated | 10 September 2021 10:59 CEST | Update | https://www.mdpi.com/2073-4360/10/2/117 |
| article html file updated | 9 February 2020 04:25 CET | Update | - |
| article html file updated | 30 September 2019 05:53 CEST | Update | - |
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| article html file updated | 14 March 2018 10:02 CET | Update | - |
| article html file updated | 31 January 2018 04:12 CET | Update | - |
| article xml uploaded. | 31 January 2018 04:11 CET | Update | https://www.mdpi.com/2073-4360/10/2/117/xml |
| article pdf uploaded. | 31 January 2018 04:11 CET | Updated version of record | https://www.mdpi.com/2073-4360/10/2/117/pdf |
| article html file updated | 26 January 2018 08:36 CET | Original file | - |
| article xml uploaded. | 26 January 2018 08:35 CET | Original file | - |
| article pdf uploaded. | 26 January 2018 08:35 CET | Version of Record | https://www.mdpi.com/2073-4360/10/2/117/pdf-vor |