| article html file updated | 9 February 2020 04:05 CET | Update | https://www.mdpi.com/2076-3263/8/2/39 |
| article html file updated | 30 September 2019 03:57 CEST | Update | N/A |
| article html file updated | 2 May 2019 00:05 CEST | Update | N/A |
| article html file updated | 17 April 2019 22:36 CEST | Update | N/A |
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| article html file updated | 14 March 2018 10:24 CET | Update | N/A |
| article html file updated | 23 January 2018 17:58 CET | Original file | N/A |
| article xml uploaded. | 23 January 2018 17:57 CET | Update | https://www.mdpi.com/2076-3263/8/2/39/xml |
| article xml uploaded. | 23 January 2018 17:57 CET | Original file | N/A |
| article pdf uploaded. | 23 January 2018 17:57 CET | Version of Record | https://www.mdpi.com/2076-3263/8/2/39/pdf |