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| article html file updated | 17 July 2022 15:50 CEST | Update | - |
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| article xml uploaded. | 13 February 2019 09:21 CET | Update | https://www.mdpi.com/2218-1997/4/12/147/xml |
| article pdf uploaded. | 13 February 2019 09:21 CET | Updated version of record | https://www.mdpi.com/2218-1997/4/12/147/pdf |
| article html file updated | 13 February 2019 09:19 CET | Update | - |
| article xml uploaded. | 13 February 2019 09:18 CET | Update | - |
| article pdf uploaded. | 13 February 2019 09:18 CET | Updated version of record | https://www.mdpi.com/2218-1997/4/12/147/pdf-vor |
| article html file updated | 25 December 2018 04:21 CET | Update | - |
| article html file updated | 21 December 2018 06:59 CET | Update | - |
| article pdf uploaded. | 21 December 2018 06:57 CET | Updated version of record | https://www.mdpi.com/2218-1997/4/12/147/pdf-vor |
| article xml uploaded. | 21 December 2018 06:57 CET | Update | - |
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| article html file updated | 21 December 2018 03:53 CET | Update | - |
| article pdf uploaded. | 21 December 2018 03:52 CET | Updated version of record | https://www.mdpi.com/2218-1997/4/12/147/pdf-vor |
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| article html file updated | 14 December 2018 12:43 CET | Original file | - |
| article xml file uploaded | 14 December 2018 12:42 CET | Update | - |
| article pdf uploaded. | 14 December 2018 12:42 CET | Version of Record | https://www.mdpi.com/2218-1997/4/12/147/pdf-vor |
| article xml uploaded. | 14 December 2018 12:42 CET | Original file | - |
