| article html file updated | 9 February 2020 01:11 CET | Update | https://www.mdpi.com/2076-3263/8/1/3 |
| article html file updated | 29 September 2019 11:35 CEST | Update | N/A |
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| article html file updated | 1 February 2018 15:08 CET | Update | N/A |
| article html file updated | 25 December 2017 13:06 CET | Original file | N/A |
| article xml uploaded. | 25 December 2017 13:04 CET | Original file | https://www.mdpi.com/2076-3263/8/1/3/xml |
| article pdf uploaded. | 25 December 2017 13:04 CET | Version of Record | https://www.mdpi.com/2076-3263/8/1/3/pdf |
