| article html file updated | 8 February 2020 14:33 CET | Update | https://www.mdpi.com/2226-471X/2/3/15 |
| article html file updated | 26 September 2019 18:28 CEST | Update | - |
| article html file updated | 3 May 2019 05:01 CEST | Update | - |
| article html file updated | 31 August 2017 14:58 CEST | Update | - |
| article xml uploaded. | 31 August 2017 14:56 CEST | Update | https://www.mdpi.com/2226-471X/2/3/15/xml |
| article pdf uploaded. | 31 August 2017 14:56 CEST | Updated version of record | https://www.mdpi.com/2226-471X/2/3/15/pdf |
| article html file updated | 31 August 2017 13:49 CEST | Update | - |
| article xml uploaded. | 31 August 2017 13:48 CEST | Update | - |
| article xml uploaded. | 31 August 2017 13:48 CEST | Update | - |
| article pdf uploaded. | 31 August 2017 13:48 CEST | Updated version of record | https://www.mdpi.com/2226-471X/2/3/15/pdf-vor |
| article html file updated | 25 August 2017 19:01 CEST | Original file | - |
| article xml uploaded. | 25 August 2017 18:59 CEST | Update | - |
| article xml uploaded. | 25 August 2017 18:59 CEST | Original file | - |
| article pdf uploaded. | 25 August 2017 18:59 CEST | Version of Record | https://www.mdpi.com/2226-471X/2/3/15/pdf-vor |
