| article html file updated | 7 February 2020 12:33 CET | Update | https://www.mdpi.com/2076-0817/5/3/52 |
| article html file updated | 5 May 2019 08:35 CEST | Update | N/A |
| article html file updated | 27 March 2019 11:52 CET | Update | N/A |
| article html file updated | 28 September 2016 11:04 CEST | Update | N/A |
| article html file updated | 29 July 2016 11:55 CEST | Original file | N/A |
| article xml uploaded. | 29 July 2016 11:54 CEST | Original file | https://www.mdpi.com/2076-0817/5/3/52/xml |
| article pdf uploaded. | 29 July 2016 11:54 CEST | Version of Record | https://www.mdpi.com/2076-0817/5/3/52/pdf |
