function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Barker, Franklin D.', 1],
    ['Caballero y C., Eduardo & Grocott, Robert G. & Zerecero y D, C.', 1],
    ['Caballero y C., Eduardo & Montero-Gei, F. & Caballero R., G.', 1],
    ['Chertkova, A. N.', 1],
    ['Franco, S. R. N. De S.', 1],
    ['Gower, William Carl', 2],
    ['Ishii, N.', 1],
    ['Kontrimavichus, V. L. & Bakh-Meteva, T. L.', 1],
    ['Ku, Chang-tung & Li, Minmin', 1],
    ['Lopes, Daniela A. & Mainenti, Adriana & Knoff, Marcelo', 1],
    ['Luque, José L. & Muniz-Pereira, Luís C. & Siciliano, Salvatore', 1],
    ['Muchlis, A', 1],
    ['Muniz-Pereira, Luís C. & Vieira, Fabiano M. & Luque, José L.', 1],
    ['Tang, C. & He, C. & Ren, X.', 1],
    ['Thatcher, Vernon E.', 1],
    ['Other (1)', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=17)',
    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);