| article html file updated | 11 February 2020 03:51 CET | Update | https://www.mdpi.com/2076-0752/7/4/103 |
| article html file updated | 27 April 2019 17:49 CEST | Update | N/A |
| article html file updated | 13 April 2019 13:42 CEST | Update | N/A |
| article html file updated | 2 April 2019 15:06 CEST | Update | N/A |
| article html file updated | 26 December 2018 09:05 CET | Update | N/A |
| article html file updated | 18 December 2018 10:55 CET | Original file | N/A |
| article pdf uploaded. | 18 December 2018 10:54 CET | Version of Record | https://www.mdpi.com/2076-0752/7/4/103/pdf |
| article xml uploaded. | 18 December 2018 10:54 CET | Update | https://www.mdpi.com/2076-0752/7/4/103/xml |
| article xml file uploaded | 18 December 2018 10:54 CET | Original file | N/A |
