function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Delaforge, Aurelie & Suarez-Morales, Eduardo & Walkusz, Wojciech', 1],
    ['Suárez-Morales, Eduardo & Bello-Smith, A. & Palma, Sergio', 1],
    ['Suárez-Morales, Eduardo & Carrillo, Allan', 2],
    ['Suárez-Morales, Eduardo & Dias, C.', 1],
    ['Suárez-Morales, Eduardo & Ivanenko, Viatcheslav N.', 2],
    ['Suárez-Morales, Eduardo & Mckinnon, A. David', 6],
    ['Suárez-Morales, Eduardo & Morales-Ramírez, Alvaro', 2],
    ['Suárez-Morales, Eduardo & Ramírez, Fernando C. & Derisio, C.', 2],
    ['Suárez-Morales, Eduardo & Üstün, Funda', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=18)',
    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);