function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Azemar, Frederic & Cazaban, Frederic & Pelozuelo, Laurent', 1],
    ['Balkhamishvili, Sopio', 1],
    ['Ebejer, Martin J. & Gatt, Paul', 1],
    ['Ebejer, Martin J. & Nicolosi, Giuseppe', 3],
    ['Fallén, Carl Fredrik', 3],
    ['Harym, Younes El & Korneyev, Valery', 3],
    ['Martín-Vega, Daniel', 10],
    ['Martín-Vega, Daniel & Ebejer, Martin J. & Whitmore, Daniel', 2],
    ['Mei, Maurizio & Whitmore, Daniel & Giudice, Giuseppe Lo', 5],
    ['Misiachna, A. V. & Korneyev, V. A.', 8],
    ['Rochefort, Sabrina & Wheeler, Terry A.', 17],
    ['Sabrina Rochefort & Terry A. Wheeler', 17],
    ['Saigusa, Toyohei', 2],
    ['Schlüsslmayr, Gerhard', 2],
    ['Wolff, Marta & Pérez, Sandra & Grisales, Diana', 2],
    ['Other (8)', 8]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=85)',
    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);