| article html file updated | 8 February 2020 02:54 CET | Update | https://www.mdpi.com/2073-4352/7/4/102 |
| article html file updated | 4 May 2019 03:36 CEST | Update | N/A |
| article html file updated | 28 April 2017 05:48 CEST | Update | N/A |
| article html file updated | 13 April 2017 12:52 CEST | Update | N/A |
| article xml uploaded. | 13 April 2017 12:50 CEST | Update | https://www.mdpi.com/2073-4352/7/4/102/xml |
| article pdf uploaded. | 13 April 2017 12:50 CEST | Updated version of record | https://www.mdpi.com/2073-4352/7/4/102/pdf |
| article html file updated | 4 April 2017 13:39 CEST | Original file | N/A |
| article pdf uploaded. | 4 April 2017 13:37 CEST | Version of Record | https://www.mdpi.com/2073-4352/7/4/102/pdf-vor |
