| article html file updated | 6 February 2020 07:28 CET | Update | https://www.mdpi.com/2079-9276/3/1/180 |
| article html file updated | 20 September 2019 06:08 CEST | Update | - |
| article html file updated | 7 May 2019 18:14 CEST | Update | - |
| article html file updated | 21 March 2019 12:50 CET | Update | - |
| article html file updated | 20 July 2017 10:33 CEST | Update | - |
| article html file updated | 20 July 2017 10:31 CEST | Update | - |
| article html file updated | 20 July 2017 10:31 CEST | Original file | - |
| article xml uploaded. | 20 July 2017 10:30 CEST | Original file | https://www.mdpi.com/2079-9276/3/1/180/xml |
| article pdf uploaded. | 24 February 2014 10:55 CET | Version of Record | https://www.mdpi.com/2079-9276/3/1/180/pdf |
