function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bonyadi-Naeini, Alieh & Rastegar-Pouyani, Nasrullah', 2],
    ['Conde-Vela, Victor M. & Salazar-Vallejo, Sergio I.', 4],
    ['Darbyshire, Teresa', 2],
    ['Faulwetter, Sarah & Simboura, Nomiki & Katsiaras, Nikolaos', 12],
    ['Garcia-Garza, Maria Elena & de Leon-Gonzalez, Jesus Angel', 5],
    ['Glasby, Christopher J.', 8],
    ['Hadiyanto, Hadiyanto', 6],
    ['Hsueh, Pan-Wen', 13],
    ['Lin, Jun-Hui & Huang, Ya-Qin & Liang, Qian-Yong & He, Xue-Bao', 2],
    ['Linnaeus, Carolus', 6],
    ['Muir, Alexander I. & Bamber, Roger N.', 2],
    ['Nygren, Arne', 2],
    ['Pallas, Peter Simon', 2],
    ['Ramírez-Hernández, Adriana & Hernández-Alcántara, Pablo', 2],
    ['Salazar-Vallejo, Sergio I. & León-González, Jesús Angel De', 12],
    ['Other (11)', 12]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=92)',
    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);