function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Arai, Hisao P. & Smith, John W.', 17],
    ['Drago, Fabiana B. & Núñez, Verónica & Díaz, Mariano Dueñas', 4],
    ['García-Prieto, Luis & Falcón-Ordaz, Jorge', 1],
    ['Garrido-Olvera, Lorena & García-Prieto, Luis', 4],
    ['Gonzalez-Solis, David & Soler-Jimenez, Lilia C.', 1],
    ['González-Acuña, Daniel & Moreno, Lucila & Cicchino, Armando', 1],
    ['Guillermo Panisse & María Del Rosario Robles', 2],
    ['Lopes, Daniela A. & Gomes, Delir Correa & Knoff, Marcelo', 2],
    ['Lunaschi, Lia I. & Álvarez, Victor Hugo Merlo', 2],
    ['Moravec, František & Justine, Jean-Lou', 1],
    ['Paredes-León, Ricardo & García-Prieto, Luis', 2],
    ['Santos, Cláudia Portes & Gibson, David I.', 1],
    ['Syrota, Ya. Yu. & Greben, O. B. & Poluda, A. M. & Maleha, O. M.', 1],
    ['Varodi, E. I. & Malega, A. M. & Kuzmin, Y. I.', 1],
    ['Zvegintsova, N. S. & Kharchenko, V. A. & Kuzmina, T. A.', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=41)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 15, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);