| article html file updated | 10 February 2020 17:33 CET | Update | https://www.mdpi.com/2226-471X/3/4/39 |
| article html file updated | 28 April 2019 16:41 CEST | Update | N/A |
| article html file updated | 14 April 2019 11:49 CEST | Update | N/A |
| article html file updated | 1 April 2019 10:48 CEST | Update | N/A |
| article html file updated | 31 October 2018 11:56 CET | Update | N/A |
| article pdf uploaded. | 31 October 2018 11:55 CET | Updated version of record | https://www.mdpi.com/2226-471X/3/4/39/pdf |
| article xml uploaded. | 31 October 2018 11:55 CET | Update | https://www.mdpi.com/2226-471X/3/4/39/xml |
| article xml file uploaded | 31 October 2018 11:55 CET | Update | N/A |
| article html file updated | 31 October 2018 11:53 CET | Original file | N/A |
| article pdf uploaded. | 31 October 2018 11:52 CET | Updated version of record | https://www.mdpi.com/2226-471X/3/4/39/pdf-vor |
| article xml uploaded. | 31 October 2018 11:52 CET | Update | N/A |
| article xml file uploaded | 31 October 2018 11:52 CET | Update | N/A |
| article pdf uploaded. | 23 October 2018 15:29 CEST | Updated version of record | https://www.mdpi.com/2226-471X/3/4/39/pdf-vor |
| article xml file uploaded | 23 October 2018 15:29 CEST | Original file | N/A |
| article pdf uploaded. | 23 October 2018 15:28 CEST | Version of Record | https://www.mdpi.com/2226-471X/3/4/39/pdf-vor |