| article html file updated | 9 February 2020 01:25 CET | Update | https://www.mdpi.com/2076-3425/8/1/7 |
| article html file updated | 29 September 2019 12:56 CEST | Update | N/A |
| article html file updated | 2 May 2019 05:40 CEST | Update | N/A |
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| article html file updated | 28 March 2019 11:42 CET | Update | N/A |
| article html file updated | 1 February 2018 13:58 CET | Update | N/A |
| article html file updated | 28 December 2017 11:11 CET | Original file | N/A |
| article xml uploaded. | 28 December 2017 11:10 CET | Original file | https://www.mdpi.com/2076-3425/8/1/7/xml |
| article pdf uploaded. | 28 December 2017 11:10 CET | Version of Record | https://www.mdpi.com/2076-3425/8/1/7/pdf |
