| article html file updated | 8 February 2020 01:20 CET | Update | https://www.mdpi.com/2226-4310/4/1/14 |
| article html file updated | 23 September 2019 19:05 CEST | Update | - |
| article html file updated | 4 May 2019 07:01 CEST | Update | - |
| article html file updated | 29 March 2017 05:59 CEST | Update | - |
| article html file updated | 13 March 2017 08:06 CET | Original file | - |
| article xml uploaded. | 13 March 2017 08:04 CET | Update | https://www.mdpi.com/2226-4310/4/1/14/xml |
| article pdf uploaded. | 13 March 2017 08:04 CET | Version of Record | https://www.mdpi.com/2226-4310/4/1/14/pdf |
