| article html file updated | 7 February 2020 12:52 CET | Update | https://www.mdpi.com/2304-6775/4/3/26 |
| article html file updated | 21 September 2019 22:23 CEST | Update | - |
| article html file updated | 5 May 2019 07:56 CEST | Update | - |
| article html file updated | 27 March 2019 12:42 CET | Update | - |
| article html file updated | 29 September 2016 09:58 CEST | Update | - |
| article html file updated | 5 August 2016 12:24 CEST | Original file | - |
| article xml uploaded. | 5 August 2016 12:23 CEST | Original file | https://www.mdpi.com/2304-6775/4/3/26/xml |
| article pdf uploaded. | 5 August 2016 12:23 CEST | Version of Record | https://www.mdpi.com/2304-6775/4/3/26/pdf |
