| article html file updated | 8 February 2020 10:51 CET | Update | https://www.mdpi.com/2226-471X/2/3/9 |
| article html file updated | 25 September 2019 21:57 CEST | Update | N/A |
| article html file updated | 3 May 2019 12:39 CEST | Update | N/A |
| article html file updated | 17 July 2017 13:29 CEST | Update | N/A |
| article html file updated | 17 July 2017 13:29 CEST | Update | N/A |
| article html file updated | 17 July 2017 13:28 CEST | Update | N/A |
| article xml uploaded. | 17 July 2017 13:27 CEST | Update | https://www.mdpi.com/2226-471X/2/3/9/xml |
| article pdf uploaded. | 17 July 2017 13:27 CEST | Updated version of record | https://www.mdpi.com/2226-471X/2/3/9/pdf |
| article html file updated | 12 July 2017 15:49 CEST | Original file | N/A |
| article pdf uploaded. | 12 July 2017 15:48 CEST | Version of Record | https://www.mdpi.com/2226-471X/2/3/9/pdf-vor |
