function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Chagas-Jr, Amazonas', 3],
    ['Chagas-Jr, Amazonas & Bichuette, Maria Elina', 10],
    ['Chagas-Jr, Amazonas & Chaparro, Elisa', 15],
    ['Cupul-Magaña, Fabio Germán', 1],
    ['Hollier, John & Stagl, Verena', 2],
    ['Jiménez, Sebastian Galvis & Chagas-Jr, Amazonas', 4],
    ['Junior, Amazonas Chagas & Shelley, Rowland M.', 10],
    ['Schileyko, Arkady A.', 7],
    ['Schileyko, Arkady A. & Vahtera, Varpu & Edgecombe, Gregory D.', 5],
    ['Schileyko, Аrkаdy & Iorio, Etienne & Coulis, Mаthieu', 3],
    ['Schileyko, Аrkаdy А.', 1],
    ['Thofern, Detlef & Dupérré, Nadine & Harms, Danilo', 2],
    ['Tulande-M, Esteban & Prado, César Camilo', 2],
    ['Ázara, Ludson Neves De & Ferreira, Rodrigo Lopes', 3]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=68)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 14, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);