| article html file updated | 7 February 2020 03:45 CET | Update | https://www.mdpi.com/2306-5710/2/1/3 |
| article html file updated | 6 May 2019 01:58 CEST | Update | N/A |
| article html file updated | 26 March 2019 19:05 CET | Original file | N/A |
| article xml uploaded. | 15 March 2016 04:59 CET | Update | https://www.mdpi.com/2306-5710/2/1/3/xml |
| article pdf uploaded. | 15 March 2016 04:59 CET | Updated version of record | https://www.mdpi.com/2306-5710/2/1/3/pdf |
| article pdf uploaded. | 22 January 2016 13:04 CET | Version of Record | https://www.mdpi.com/2306-5710/2/1/3/pdf-vor |
| article xml uploaded. | 22 January 2016 13:04 CET | Original file | N/A |
