function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Armitage, Brian J. & Aguirre, Yusseff P.', 1],
    ['Armitage, Brian J. & Blahnik, Roger J. & Harris, Steven C.', 2],
    ['Armitage, Brian J. & Harris, Steven C. & Blahnik, Roger J.', 1],
    ['Armitage, Brian J. & Harris, Steven C. & Holzenthal, Ralph W.', 1],
    ['Blahnik, Roger J. & Armitage, Brian J.', 4],
    ['Blahnik, Roger J. & Holzenthal, Ralph W.', 176],
    ['Paprocki, Henrique & Franca, Diogo', 54],
    ['Razo-González, María', 1],
    ['de Souza, Wagner Rafael M. & Lima, Lucas R. C. & Pes, Ana M. O.', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=241)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 9, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);