function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Barševskis, Arvīds & Janovska, Marina & Aksjuta, Kristīna', 2],
    ['Bezark, Larry G. & Santos-Silva, Antonio', 5],
    ['Casari, Sônia A.', 1],
    ['Chapman, Eric G. & Richards, Austin B. & Dupuis, Julian R.', 2],
    ['Ferreira, Gabriel Dos Santos & Ferreira, André Da Silva', 6],
    ['Heffern, Daniel & Santos-Silva, Antonio', 1],
    ['Heffern, Daniel & Santos-Silva, Antonio & Botero, Juan Pablo', 6],
    ['Karpinski, Lech & Szczepanski, Wojciech T. & lewa, Radoslaw', 2],
    ['Martins, Ubirajara R. & Santos-Silva, Antonio', 2],
    ['Monné, Miguel A.', 5],
    ['Pérez-Hernández, Cisteil Xinum', 2],
    ['Santos-Silva, Antonio & Botero, Juan Pablo & Wappes, James E.', 13],
    ['Santos-Silva, Antonio & Nascimento, Francisco Eriberto De L.', 2],
    ['Souza, Diego De Santana & Andriolo, Aline', 4],
    ['Stefanelli, Silvia & Della Rocca, Francesca & Bogliani, Giuseppe', 2],
    ['Other (3)', 3]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=58)',
    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);