function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Abarca-Ávila, Mónica Mariel & Herrera-Dorantes, María Teresa', 9],
    ['Araújo-Silva, Catarina De L. & Larsen, Kim', 3],
    ['BAMBER, ROGER N', 19],
    ['Bamber, Roger N.', 5],
    ['Bamber, Roger N. & Marshall, David J.', 9],
    ['Bird, Graham J.', 12],
    ['Edgar, Graham J.', 8],
    ['Esquete, Patricia & Ramos, Eva & Riera, Rodrigo', 3],
    ['Gu, Modest & Bird, Graham J.', 4],
    ['Jarquín-González, Jani & García-Madrigal, María Del Socorro', 45],
    ['Larsen, Kim & Nagaoka, Ryoko & Froufe, Elsa', 3],
    ['Morales-Núñez, Andrés G. & Heard, Richard W.', 8],
    ['Sato, Akari & Arakawa, Kazuharu & Kakui, Keiichi', 4],
    ['Tzeng, You-Wei & Hsueh, Pan-Wen', 4],
    ['Tzeng, You-Wei & Wei, Chih-Lin & Ma, Lin & Li, Xinzheng', 6],
    ['Other (11)', 16]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=158)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 16, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);