| article html file updated | 9 February 2020 04:57 CET | Update | https://www.mdpi.com/2079-9268/8/1/3 |
| article html file updated | 30 September 2019 09:05 CEST | Update | - |
| article html file updated | 1 May 2019 22:15 CEST | Update | - |
| article html file updated | 17 April 2019 20:59 CEST | Update | - |
| article html file updated | 28 March 2019 19:41 CET | Update | - |
| article html file updated | 31 January 2018 04:31 CET | Original file | - |
| article xml uploaded. | 31 January 2018 04:30 CET | Update | https://www.mdpi.com/2079-9268/8/1/3/xml |
| article xml uploaded. | 31 January 2018 04:30 CET | Original file | - |
| article pdf uploaded. | 31 January 2018 04:30 CET | Version of Record | https://www.mdpi.com/2079-9268/8/1/3/pdf |
