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. 2021 Apr 28;21(9):3060. doi: 10.3390/s21093060

Correction: Alfano et al. A Review of Low-Cost Particulate Matter Sensors from the Developers’ Perspectives. Sensors 2020, 20, 6819

Brigida Alfano 1, Luigi Barretta 2,3, Antonio Del Giudice 1, Saverio De Vito 1,*, Girolamo Di Francia 1, Elena Esposito 1, Fabrizio Formisano 1, Ettore Massera 1, Maria Lucia Miglietta 1, Tiziana Polichetti 1
PMCID: PMC8125404  PMID: 33925264

The authors wish to make the following corrections to this paper [1]:

In the original article, the sorting order of the reference list starting from reference no. 110 up to reference no. 172 was incorrect. The correct sorting order is reported below in correctly sorted reference list.

Furthermore, reference no. 173 was missing and was wrongly referenced as no. 172. This was corrected adding reference no. 173:

  • 173.

    Jayaratne, R.; Liu, X.; Ahn, K.H.; Asumadu-Sakyi, A.; Fisher, G.; Gao, J.; Mabon, A.; Mazaheri, M.; Mullins, B.; Nyaku, M.; et al. Low-cost PM2.5 Sensors: An Assessment of their Suitability for Various Applications. Aerosol Air Q. Res. 2020, 20, 520–532.

Additionally, the following errors to the citation numbering in the text were present:

In Table 5, sixth row: the reference number [76] was incorrectly written as [77].

Page 37, first row: the reference number [136] was incorrectly written as [137].

Table 7, 38th row: the reference number [118] was incorrectly written as [119].

Finally, in SI, the following corrections to the citation numbering apply:

Table S1 4th row: [153] was incorrectly written as [145].

Table S1 8th row: [153] was incorrectly written as [145].

Table S1 Row 41: both references were incorrect and were changed in [98], [137].

Table S2 Row 40: both references were incorrect and were changed in [98], [137].

The authors apologize for any inconvenience caused. We state that the scientific conclusions are completely unaffected. The original article has been updated accordingly.

Correctly sorted reference list (from no. 110 on)

Footnotes

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Reference

  • 1.Alfano B., Barretta L., Del Giudice A., De Vito S., Di Francia G., Esposito E., Formisano F., Massera E., Miglietta M.L., Polichetti T. A Review of Low-Cost Particulate Matter Sensors from the Developers’ Perspectives. Sensors. 2020;20:6819. doi: 10.3390/s20236819. [DOI] [PMC free article] [PubMed] [Google Scholar]

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