| article html file updated | 8 February 2020 02:30 CET | Update | https://www.mdpi.com/2079-8954/5/2/29 |
| article html file updated | 24 September 2019 01:39 CEST | Update | - |
| article html file updated | 4 May 2019 04:29 CEST | Update | - |
| article html file updated | 29 June 2017 11:52 CEST | Update | - |
| article html file updated | 30 March 2017 12:53 CEST | Original file | - |
| article xml uploaded. | 30 March 2017 12:51 CEST | Update | https://www.mdpi.com/2079-8954/5/2/29/xml |
| article pdf uploaded. | 30 March 2017 12:51 CEST | Updated version of record | https://www.mdpi.com/2079-8954/5/2/29/pdf |
| article pdf uploaded. | 29 March 2017 15:35 CEST | Version of Record | https://www.mdpi.com/2079-8954/5/2/29/pdf-vor |
