| article html file updated | 9 February 2020 01:37 CET | Update | https://www.mdpi.com/2076-3263/8/1/6 |
| article html file updated | 29 September 2019 14:07 CEST | Update | N/A |
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| article html file updated | 18 April 2019 03:16 CEST | Update | N/A |
| article html file updated | 28 March 2019 12:11 CET | Update | N/A |
| article html file updated | 1 February 2018 15:10 CET | Update | N/A |
| article html file updated | 31 December 2017 09:32 CET | Original file | N/A |
| article xml uploaded. | 31 December 2017 09:30 CET | Update | https://www.mdpi.com/2076-3263/8/1/6/xml |
| article xml uploaded. | 31 December 2017 09:30 CET | Original file | N/A |
| article pdf uploaded. | 31 December 2017 09:30 CET | Version of Record | https://www.mdpi.com/2076-3263/8/1/6/pdf |
