function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Casey, Thomas Lincoln', 1],
    ['Gonzalez, Guillermo & Cotoras, Darko D. & Grez, Audrey A.', 5],
    ['González Fuentes, Guillermo & Bustamante Navarrete, Abdhiel A.', 2],
    ['González, Guillermo', 4],
    ['González, Guillermo & Vandenberg, Natalia J.', 8],
    ['Majka, Christopher G. & Mccorquodale, David B.', 1],
    ['Mulsant, E.', 1],
    ['Oroz Ramos, Anahi Jeannette', 2],
    ['Santos-Cividanes, Terezinha Monteiro dos', 1],
    ['Szawaryn, Karol & Czerwiński, Tomasz', 2],
    ['Turienzo, Paola & Iorio, Osvaldo Di', 1],
    ['Vandenberg, Natalia J. & González, Guillermo', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=29)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 12, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);