| article html file updated | 23 February 2021 07:33 CET | Update | https://www.mdpi.com/2079-3200/6/1/3 |
| article html file updated | 9 February 2020 03:40 CET | Update | N/A |
| article html file updated | 2 May 2019 01:01 CEST | Update | N/A |
| article html file updated | 17 April 2019 23:23 CEST | Update | N/A |
| article html file updated | 28 March 2019 16:54 CET | Update | N/A |
| article html file updated | 19 January 2018 14:47 CET | Original file | N/A |
| article xml uploaded. | 19 January 2018 14:46 CET | Original file | https://www.mdpi.com/2079-3200/6/1/3/xml |
| article pdf uploaded. | 19 January 2018 14:46 CET | Version of Record | https://www.mdpi.com/2079-3200/6/1/3/pdf |
