Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Discussion of "Spatial accessibility of pediatric primary healthcare:
  Measurement and inference"   Discussion of "Spatial accessibility of pediatric primary healthcare:
Measurement and inference" by Mallory Nobles, Nicoleta Serban and Julie Swann
[arXiv:1501.03626].

23
The categories of this paper are: solv-int
36
The categories of this paper are: cmp-lg
19
The categories of this paper are: eess
1
The categories of this paper are: cs
3
The categories of this paper are: physics
30
The categories of this paper are: q-alg
17
The categories of this paper are: q-fin
22
The categories of this paper are: chao-dyn
27
The categories of this paper are: comp-gas
10
The categories of this paper are: q-bio
28
The categories of this paper are: alg-geom
9
The categories of this paper are: nlin
11
The categories of this paper are: hep-lat
18
The categories of this paper are: econ
24
The categories of this paper are: dg-ga
26
The categories of this paper are: bayes-an