function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Al-Khazali, Azhar Mohammed & Kachel, Hamid Saeid', 1],
    ['Brescovit, Antonio D. & Bonaldo, Alexandre B.', 3],
    ['Cala-Riquelme, Franklyn & Quijano-Cuervo, Luis', 11],
    ['Carvalho, Leonardo S. & Braga-Pereira, Gracielle F.', 4],
    ['Castro, Diogo & Baptista, Renner & Grismado, Cristian', 7],
    ['Crespo, Luis C & Domenech, Marc & Enguidanos, Alba', 1],
    ['Fomichev, Alexander A. & Marusik, Yuri M. & Zonstein, Sergei', 4],
    ['Martínez, Leonel & Gutierrez, Luis Carlos', 3],
    ['Oketch, Ambata D. & Zonstein, Sergei & Kioko, Esther N.', 6],
    ['Piacentini, Luis N. & Ávila Calero, Sergio L.', 6],
    ['Tripathi, Rishikesh & Sankaran, Pradeep M. & Kuni, Nikhil', 12],
    ['Zamani, Alireza & Marusik, Yuri M.', 3],
    ['Zonstein, Sergei & Marusik, Yuri M.', 7],
    ['Zonstein, Sergei L. & Marusik, Yuri M.', 16],
    ['Zonstein, Sergei L. & Marusik, Yuri M. & Omelko, Mikhail M.', 2],
    ['Other (5)', 5]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=91)',
    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);