| article html file updated | 11 February 2020 02:12 CET | Update | https://www.mdpi.com/2076-0752/7/4/102 |
| article html file updated | 27 April 2019 21:37 CEST | Update | N/A |
| article html file updated | 13 April 2019 17:28 CEST | Update | N/A |
| article html file updated | 2 April 2019 10:33 CEST | Update | N/A |
| article html file updated | 26 December 2018 09:05 CET | Update | N/A |
| article html file updated | 10 December 2018 07:22 CET | Original file | N/A |
| article pdf uploaded. | 10 December 2018 07:21 CET | Version of Record | https://www.mdpi.com/2076-0752/7/4/102/pdf |
| article xml uploaded. | 10 December 2018 07:21 CET | Update | https://www.mdpi.com/2076-0752/7/4/102/xml |
| article xml file uploaded | 10 December 2018 07:21 CET | Original file | N/A |
