| article html file updated | 11 February 2020 14:07 CET | Update | https://www.mdpi.com/2076-0752/8/1/21 |
| article html file updated | 26 April 2019 20:32 CEST | Update | N/A |
| article html file updated | 12 April 2019 16:21 CEST | Update | N/A |
| article html file updated | 3 April 2019 15:58 CEST | Update | N/A |
| article html file updated | 2 April 2019 11:43 CEST | Update | N/A |
| article html file updated | 28 February 2019 15:34 CET | Update | N/A |
| article html file updated | 25 February 2019 12:12 CET | Original file | N/A |
| article pdf uploaded. | 25 February 2019 12:09 CET | Updated version of record | https://www.mdpi.com/2076-0752/8/1/21/pdf |
| article xml uploaded. | 25 February 2019 12:09 CET | Update | https://www.mdpi.com/2076-0752/8/1/21/xml |
| article xml file uploaded | 25 February 2019 12:09 CET | Update | N/A |
| article pdf uploaded. | 6 February 2019 10:10 CET | Version of Record | https://www.mdpi.com/2076-0752/8/1/21/pdf-vor |
| article xml file uploaded | 6 February 2019 10:10 CET | Original file | N/A |
