function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Chagas-Jr, Amazonas & Bichuette, Maria Elina', 6],
    ['Chagas-Jr, Amazonas & Chaparro, Elisa', 4],
    ['Decker, Peter & Reip, Hans Simon & Voigtlaender, Karin', 4],
    ['Korobushkin, Daniil I. & Semenyuk, Irina I. & Tuf, Ivan H.', 4],
    ['Lewis, John G. E.', 57],
    ['Marzio Zapparoli', 12],
    ['Schileyko, Arkady A. & Stoev, Pavel E.', 5],
    ['Schileyko, Arkady A. & Vahtera, Varpu & Edgecombe, Gregory D.', 7],
    ['Simaiakis, Stylianos Michail & Akkari, Nesrine', 4],
    ['Simaiakis, Stylianos Michail & Zapparoli, Marzio', 3],
    ['Thofern, Detlef & Dupérré, Nadine & Harms, Danilo', 10],
    ['Tran, Binh T. T. & Le, Son X. & Nguyen, Anh D.', 7],
    ['Zapparoli, Marzio', 8],
    ['Zapparoli, Marzio & Iorio, Etienne', 6],
    ['Ázara, Ludson Neves De & Ferreira, Rodrigo Lopes', 6],
    ['Other (25)', 39]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=182)',
    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);