| article html file updated | 8 February 2020 14:18 CET | Update | https://www.mdpi.com/2079-9276/6/3/40 |
| article html file updated | 26 September 2019 17:14 CEST | Update | N/A |
| article html file updated | 3 May 2019 05:29 CEST | Update | N/A |
| article html file updated | 6 October 2017 05:10 CEST | Update | N/A |
| article html file updated | 23 August 2017 13:08 CEST | Original file | N/A |
| article xml uploaded. | 23 August 2017 13:06 CEST | Update | https://www.mdpi.com/2079-9276/6/3/40/xml |
| article xml uploaded. | 23 August 2017 13:06 CEST | Original file | N/A |
| article pdf uploaded. | 23 August 2017 13:06 CEST | Version of Record | https://www.mdpi.com/2079-9276/6/3/40/pdf |
