| article html file updated | 8 February 2020 02:24 CET | Update | https://www.mdpi.com/2306-5354/4/2/26 |
| article html file updated | 24 September 2019 01:08 CEST | Update | - |
| article html file updated | 4 May 2019 04:41 CEST | Update | - |
| article html file updated | 28 June 2017 12:34 CEST | Update | - |
| article html file updated | 30 March 2017 04:26 CEST | Original file | - |
| article xml uploaded. | 30 March 2017 04:24 CEST | Update | https://www.mdpi.com/2306-5354/4/2/26/xml |
| article pdf uploaded. | 30 March 2017 04:24 CEST | Updated version of record | https://www.mdpi.com/2306-5354/4/2/26/pdf |
| article pdf uploaded. | 28 March 2017 12:10 CEST | Version of Record | https://www.mdpi.com/2306-5354/4/2/26/pdf-vor |
