| article html file updated | 10 February 2020 14:22 CET | Update | https://www.mdpi.com/2076-0752/7/4/60 |
| article html file updated | 28 April 2019 23:00 CEST | Update | - |
| article html file updated | 14 April 2019 18:16 CEST | Update | - |
| article html file updated | 1 April 2019 02:23 CEST | Update | - |
| article html file updated | 26 December 2018 08:49 CET | Update | - |
| article html file updated | 14 October 2018 08:15 CEST | Original file | - |
| article pdf uploaded. | 14 October 2018 08:15 CEST | Updated version of record | https://www.mdpi.com/2076-0752/7/4/60/pdf |
| article xml uploaded. | 14 October 2018 08:15 CEST | Update | https://www.mdpi.com/2076-0752/7/4/60/xml |
| article xml file uploaded | 14 October 2018 08:15 CEST | Update | - |
| article pdf uploaded. | 5 October 2018 18:06 CEST | Updated version of record | https://www.mdpi.com/2076-0752/7/4/60/pdf-vor |
| article pdf uploaded. | 5 October 2018 18:03 CEST | Version of Record | https://www.mdpi.com/2076-0752/7/4/60/pdf-vor |
| article xml file uploaded | 5 October 2018 18:03 CEST | Original file | - |
