| article html file updated | 8 February 2020 02:12 CET | Update | https://www.mdpi.com/2076-0760/6/2/36 |
| article html file updated | 4 May 2019 05:09 CEST | Update | N/A |
| article html file updated | 13 April 2017 05:07 CEST | Update | N/A |
| article html file updated | 12 April 2017 07:44 CEST | Update | N/A |
| article html file updated | 12 April 2017 07:20 CEST | Update | N/A |
| article html file updated | 12 April 2017 05:25 CEST | Update | N/A |
| article pdf uploaded. | 28 March 2017 03:38 CEST | Updated version of record | https://www.mdpi.com/2076-0760/6/2/36/pdf |
| article html file updated | 27 March 2017 05:32 CEST | Update | N/A |
| article html file updated | 24 March 2017 22:36 CET | Update | N/A |
| article html file updated | 24 March 2017 12:03 CET | Original file | N/A |
| article xml uploaded. | 24 March 2017 12:01 CET | Original file | https://www.mdpi.com/2076-0760/6/2/36/xml |
| article pdf uploaded. | 24 March 2017 12:01 CET | Version of Record | https://www.mdpi.com/2076-0760/6/2/36/pdf-vor |
