| article html file updated | 9 February 2020 21:46 CET | Update | https://www.mdpi.com/2032-6653/9/1/13 |
| article html file updated | 4 October 2019 16:11 CEST | Update | N/A |
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| article xml uploaded. | 20 June 2018 14:27 CEST | Update | https://www.mdpi.com/2032-6653/9/1/13/xml |
| article pdf uploaded. | 20 June 2018 14:27 CEST | Updated version of record | https://www.mdpi.com/2032-6653/9/1/13/pdf |
| article html file updated | 16 June 2018 09:49 CEST | Original file | N/A |
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