| article html file updated | 8 February 2020 12:50 CET | Update | https://www.mdpi.com/2079-9292/6/3/55 |
| article html file updated | 26 September 2019 09:02 CEST | Update | - |
| article html file updated | 3 May 2019 08:22 CEST | Update | - |
| article html file updated | 27 March 2019 19:21 CET | Update | - |
| article html file updated | 30 September 2017 07:49 CEST | Update | - |
| article html file updated | 4 August 2017 15:49 CEST | Original file | - |
| article xml uploaded. | 4 August 2017 15:47 CEST | Update | https://www.mdpi.com/2079-9292/6/3/55/xml |
| article pdf uploaded. | 4 August 2017 15:47 CEST | Version of Record | https://www.mdpi.com/2079-9292/6/3/55/pdf |
