| article html file updated | 8 February 2020 03:57 CET | Update | https://www.mdpi.com/2076-3263/7/2/30 |
| article html file updated | 24 September 2019 09:58 CEST | Update | N/A |
| article html file updated | 4 May 2019 01:31 CEST | Update | N/A |
| article html file updated | 25 July 2017 10:27 CEST | Update | N/A |
| article html file updated | 19 April 2017 15:54 CEST | Original file | N/A |
| article xml uploaded. | 19 April 2017 15:52 CEST | Original file | https://www.mdpi.com/2076-3263/7/2/30/xml |
| article pdf uploaded. | 19 April 2017 15:52 CEST | Version of Record | https://www.mdpi.com/2076-3263/7/2/30/pdf |
