| article html file updated | 8 February 2020 08:57 CET | Update | https://www.mdpi.com/2079-4983/8/3/21 |
| article html file updated | 25 September 2019 11:58 CEST | Update | N/A |
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| article html file updated | 11 December 2018 08:25 CET | Update | N/A |
| article html file updated | 30 September 2017 12:30 CEST | Update | N/A |
| article html file updated | 22 June 2017 11:47 CEST | Original file | N/A |
| article xml uploaded. | 22 June 2017 11:46 CEST | Original file | https://www.mdpi.com/2079-4983/8/3/21/xml |
| article pdf uploaded. | 22 June 2017 11:46 CEST | Version of Record | https://www.mdpi.com/2079-4983/8/3/21/pdf |
