| article html file updated | 7 February 2020 11:35 CET | Update | https://www.mdpi.com/2079-7737/5/3/31 |
| article html file updated | 5 May 2019 10:21 CEST | Update | N/A |
| article html file updated | 27 March 2019 10:04 CET | Update | N/A |
| article html file updated | 27 September 2016 07:48 CEST | Update | N/A |
| article html file updated | 13 July 2016 07:42 CEST | Original file | N/A |
| article xml uploaded. | 13 July 2016 07:40 CEST | Original file | https://www.mdpi.com/2079-7737/5/3/31/xml |
| article pdf uploaded. | 13 July 2016 07:40 CEST | Version of Record | https://www.mdpi.com/2079-7737/5/3/31/pdf |
