| article html file updated | 14 February 2020 13:59 CET | Update | https://www.mdpi.com/2220-9964/8/12/541 |
| article html file updated | 31 December 2019 06:25 CET | Update | - |
| article html file updated | 28 November 2019 12:11 CET | Original file | - |
| article pdf uploaded. | 28 November 2019 12:10 CET | Version of Record | https://www.mdpi.com/2220-9964/8/12/541/pdf |
| article xml uploaded. | 28 November 2019 12:10 CET | Update | https://www.mdpi.com/2220-9964/8/12/541/xml |
| article xml file uploaded | 28 November 2019 12:10 CET | Original file | - |
