| article html file updated | 10 February 2020 14:06 CET | Update | https://www.mdpi.com/2226-4787/6/4/109 |
| article html file updated | 8 October 2019 15:32 CEST | Update | N/A |
| article html file updated | 28 April 2019 23:32 CEST | Update | N/A |
| article html file updated | 14 April 2019 18:51 CEST | Update | N/A |
| article html file updated | 1 April 2019 01:43 CEST | Update | N/A |
| article html file updated | 8 October 2018 11:48 CEST | Update | N/A |
| article pdf uploaded. | 8 October 2018 11:47 CEST | Updated version of record | https://www.mdpi.com/2226-4787/6/4/109/pdf |
| article xml uploaded. | 8 October 2018 11:47 CEST | Update | https://www.mdpi.com/2226-4787/6/4/109/xml |
| article xml file uploaded | 8 October 2018 11:47 CEST | Update | N/A |
| article html file updated | 3 October 2018 14:09 CEST | Original file | N/A |
| article pdf uploaded. | 3 October 2018 14:08 CEST | Version of Record | https://www.mdpi.com/2226-4787/6/4/109/pdf-vor |
| article xml uploaded. | 3 October 2018 14:08 CEST | Update | N/A |
| article xml file uploaded | 3 October 2018 14:08 CEST | Original file | N/A |
