| article html file updated | 7 February 2020 05:18 CET | Update | https://www.mdpi.com/2079-9276/5/1/16 |
| article html file updated | 5 May 2019 22:44 CEST | Update | N/A |
| article html file updated | 26 March 2019 22:17 CET | Update | N/A |
| article html file updated | 8 June 2016 06:41 CEST | Original file | N/A |
| article pdf uploaded. | 2 March 2016 10:23 CET | Version of Record | https://www.mdpi.com/2079-9276/5/1/16/pdf |
| article xml uploaded. | 2 March 2016 10:23 CET | Original file | https://www.mdpi.com/2079-9276/5/1/16/xml |
