| article html file updated | 11 February 2020 19:16 CET | Update | https://www.mdpi.com/2076-0787/8/1/42 |
| article html file updated | 26 April 2019 09:43 CEST | Update | N/A |
| article html file updated | 12 April 2019 05:15 CEST | Update | N/A |
| article html file updated | 4 April 2019 05:25 CEST | Update | N/A |
| article html file updated | 4 March 2019 11:54 CET | Update | N/A |
| article pdf uploaded. | 4 March 2019 11:53 CET | Updated version of record | https://www.mdpi.com/2076-0787/8/1/42/pdf |
| article xml uploaded. | 4 March 2019 11:53 CET | Update | https://www.mdpi.com/2076-0787/8/1/42/xml |
| article xml file uploaded | 4 March 2019 11:53 CET | Update | N/A |
| article html file updated | 1 March 2019 06:57 CET | Original file | N/A |
| article pdf uploaded. | 1 March 2019 06:56 CET | Version of Record | https://www.mdpi.com/2076-0787/8/1/42/pdf-vor |
| article xml file uploaded | 1 March 2019 06:56 CET | Original file | N/A |
