| article html file updated | 11 February 2020 13:22 CET | Update | https://www.mdpi.com/2221-3759/7/1/4 |
| article html file updated | 14 October 2019 09:24 CEST | Update | N/A |
| article html file updated | 26 April 2019 21:53 CEST | Update | N/A |
| article html file updated | 12 April 2019 17:42 CEST | Update | N/A |
| article html file updated | 10 April 2019 16:30 CEST | Update | N/A |
| article html file updated | 3 April 2019 14:16 CEST | Update | N/A |
| article html file updated | 28 February 2019 12:02 CET | Update | N/A |
| article html file updated | 26 February 2019 02:57 CET | Original file | N/A |
| article pdf uploaded. | 25 February 2019 11:53 CET | Updated version of record | https://www.mdpi.com/2221-3759/7/1/4/pdf |
| article xml uploaded. | 25 February 2019 11:53 CET | Update | https://www.mdpi.com/2221-3759/7/1/4/xml |
| article xml file uploaded | 25 February 2019 11:53 CET | Update | N/A |
| article pdf uploaded. | 1 February 2019 17:03 CET | Version of Record | https://www.mdpi.com/2221-3759/7/1/4/pdf-vor |
| article xml file uploaded | 1 February 2019 17:03 CET | Original file | N/A |
