| article html file updated | 12 February 2020 03:58 CET | Update | https://www.mdpi.com/2076-0752/8/2/50 |
| article html file updated | 4 July 2019 16:24 CEST | Update | N/A |
| article html file updated | 25 April 2019 14:58 CEST | Update | N/A |
| article html file updated | 17 April 2019 11:05 CEST | Update | N/A |
| article pdf uploaded. | 17 April 2019 11:04 CEST | Updated version of record | https://www.mdpi.com/2076-0752/8/2/50/pdf |
| article xml uploaded. | 17 April 2019 11:04 CEST | Update | https://www.mdpi.com/2076-0752/8/2/50/xml |
| article xml file uploaded | 17 April 2019 11:04 CEST | Update | N/A |
| article html file updated | 11 April 2019 11:20 CEST | Update | N/A |
| article html file updated | 10 April 2019 05:55 CEST | Update | N/A |
| article html file updated | 9 April 2019 11:33 CEST | Original file | N/A |
| article pdf uploaded. | 9 April 2019 11:32 CEST | Version of Record | https://www.mdpi.com/2076-0752/8/2/50/pdf-vor |
| article xml file uploaded | 9 April 2019 11:32 CEST | Original file | N/A |