| article html file updated | 7 February 2020 06:29 CET | Update | https://www.mdpi.com/2306-5338/3/2/14 |
| article html file updated | 5 May 2019 20:15 CEST | Update | N/A |
| article html file updated | 27 March 2019 00:28 CET | Update | N/A |
| article html file updated | 28 March 2016 08:09 CEST | Original file | N/A |
| article xml uploaded. | 28 March 2016 08:07 CEST | Original file | https://www.mdpi.com/2306-5338/3/2/14/xml |
| article pdf uploaded. | 28 March 2016 08:07 CEST | Version of Record | https://www.mdpi.com/2306-5338/3/2/14/pdf |
