function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Barrientos, Jose A. & Prieto, Carlos E. & Pina, Silvia', 1],
    ['Borges, Paulo A. V. & Gaspar, Clara', 6],
    ['Cajade, Manuel & Hagopián, Damián & Rodrigues, Everton N. L.', 3],
    ['Candek, Klemen & Gregoric, Matjaz & Kostanjsek, Rok', 4],
    ['Crespo, Luis C & Domenech, Marc & Enguidanos, Alba', 5],
    ['Dean, David Allen', 11],
    ['Dupérré, Nadine', 70],
    ['Dupérré, Nadine & Paquin, Pierre', 2],
    ['Esyunin, S. L. & Kazantsev, D. K', 1],
    ['Gnelitsa, Valery A.', 2],
    ['Isaia, Marco & Paschetta, Mauro & Chiarle, Alberto', 5],
    ['Naumova, Maria & Blagoev, Gergin & Deltshev, Christo', 2],
    ['Paschetta, Mauro & Christille, Claretta & Marguerettaz, Fabio', 8],
    ['Tanasevitch, Andrei V.', 8],
    ['Telfer, Angela C & Young, Monica R & Quinn, Jenna & Perez, Kate', 3],
    ['Other (10)', 10]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=141)',
    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);