| article html file updated | 8 February 2020 14:43 CET | Update | https://www.mdpi.com/2079-9276/6/3/42 |
| article html file updated | 26 September 2019 19:35 CEST | Update | N/A |
| article html file updated | 3 May 2019 04:41 CEST | Update | N/A |
| article html file updated | 6 October 2017 05:10 CEST | Update | N/A |
| article html file updated | 28 August 2017 19:14 CEST | Original file | N/A |
| article xml uploaded. | 28 August 2017 19:13 CEST | Update | https://www.mdpi.com/2079-9276/6/3/42/xml |
| article xml uploaded. | 28 August 2017 19:13 CEST | Original file | N/A |
| article pdf uploaded. | 28 August 2017 19:13 CEST | Version of Record | https://www.mdpi.com/2079-9276/6/3/42/pdf |
