| article html file updated | 7 February 2020 06:13 CET | Update | https://www.mdpi.com/2079-9284/3/1/12 |
| article html file updated | 5 May 2019 20:47 CEST | Update | N/A |
| article html file updated | 27 March 2019 00:01 CET | Update | N/A |
| article html file updated | 29 June 2017 13:29 CEST | Original file | N/A |
| article xml uploaded. | 22 March 2016 09:50 CET | Original file | https://www.mdpi.com/2079-9284/3/1/12/xml |
| article pdf uploaded. | 22 March 2016 09:50 CET | Version of Record | https://www.mdpi.com/2079-9284/3/1/12/pdf |
